bound

• 表示受到约束、有义务或受到限制；也可表示朝某个方向去或前往某地。

Describes something that is tied, obligated, or confined; can also mean heading in a certain direction.

1. Confined by bondsB2formal

   Restricted or tied up physically, as with ropes or chains.

   被束缚的

   • The prisoner was bound and unable to move.
   • She felt bound by the rules of the organization.
   • His hands were bound behind his back.

   同义词chainedfastenedfetteredrestrainedshackledtetheredtied

   反义词freelooseunboundunrestraineduntied

2. Chemically or physically unitedC1formal

   Held together with another element, substance, or material in a chemical or physical union.

   结合的

   • The molecules are bound together by strong covalent bonds.
   • The fibers are bound with a special adhesive.
   • In this compound, the atoms are tightly bound.

   同义词attachedcombinedconnectedjoinedlinkedunited

   反义词freeunbound

3. Secured with a cover or bindingB2formal

   Having a cover or binding, often used as a combining form (e.g., leather-bound).

   装订的

   • She bought a beautiful leather-bound journal.
   • The library has many cloth-bound editions of classic novels.
   • He prefers hard-bound books over paperbacks.

   同义词backedcasedcovered

4. Governed by fateB2formal

   Destined or fated to happen or be something.

   命中注定的

   • It was bound to happen sooner or later.
   • They were bound by fate to meet again.
   • He felt bound to become a musician.

   同义词destineddoomedfatedinevitablepredetermined

   反义词free

5. Covered or wrapped with a bandageB2formal

   Having a wound or injury covered with a bandage.

   包扎好的

   • His injured leg was bound with a clean bandage.
   • The nurse bound the wound tightly to stop the bleeding.
   • She had her sprained ankle bound in elastic wrap.

   同义词bandageddressedtapedwrapped

   反义词exposedunbounduncoveredunwrapped

6. Headed in a certain directionB1informal

   Intending to go to a specific place; often used as a combining form (e.g., college-bound).

   前往的

   • The ship was bound for New York.
   • She is college-bound after graduation.
   • They are homeward bound after a long trip.

   同义词destineden routegoingheadingon the waytraveling

   反义词incomingreturningunbound

• 名词，表示界限、边界或范围，也可指程度或限度。

A noun referring to a limit, boundary, or extent of an area, concept, or degree.

1. Boundary or limitB2formal

   A line or plane that marks the limits or extent of an area or concept.

   界限

   • The river forms the natural bound of the property.
   • His ambition knows no bounds.
   • The fence marks the bound of the school grounds.

   同义词borderboundaryconfineedgeextremityfrontierlimitmarginperimeterverge

2. Maximum degreeB2formal

   The greatest possible degree or limit of something.

   极限

   • Her patience was stretched to the bound of endurance.
   • The project pushed the bounds of modern technology.
   • He reached the upper bound of his abilities.

   同义词capceilingconfineextremitylimitmaximumrestraintutmost

   反义词minimum

3. Leap or jumpB1formal

   A light, self-propelled movement upward or forward, often with energy.

   跳跃

   • The deer cleared the fence in a single bound.
   • With one bound, the cat landed on the table.
   • He took a bound forward to catch the ball.

   同义词bouncecaperhopjumpleapskipspringvault

• 动词，表示将事物捆绑、固定或结合在一起的行动，也指施加法律或道德上的义务。

A verb used to indicate the act of tying, fastening, or securing something, or to impose a legal or moral obligation.

不规则动词

1. Tie or fastenA2formal

   To tie or secure something with rope, string, or similar material.

   捆绑

   • She bound the package with strong string.
   • They bound the prisoner's hands together.
   • The book was bound in leather.

   同义词attachcinchfastenknotlashsecurestraptethertietruss

   反义词freeloosenreleaseunbindundounfastenuntie

2. Obligate or constrainB2formal

   To impose a legal or moral obligation on someone; to force to do something.

   约束

   • The contract binds both parties to the agreement.
   • He felt bound by his promise to help.
   • The rules bind us to follow the procedures.

   同义词compelconstrainforceimpelnecessitateobligateobligerequiretie

   反义词absolveexemptfreerelease

3. Unite or connectB2formal

   To bring people or things together in a close relationship.

   联结

   • Their shared interests bound them in friendship.
   • The tragedy bound the community together.
   • Traditions bind families across generations.

   同义词attachbondcementcombineconnectfusejoinlinktieunite

   反义词detachdisconnectdividepartseparate

短语动词变体bind offbind over

• 动词，表示跳跃或弹跳；也表示受到约束、束缚或负有义务。

A verb used to indicate the act of leaping or jumping, or to be tied or restricted by an obligation or physical constraint.

不规则动词

1. Leap or jump forwardB2formal

   To move forward by making large, energetic jumps or leaps.

   跳跃前行

   • The deer bounded across the field with incredible speed.
   • The children bounded down the stairs to greet their parents.
   • The dog bounded happily toward its owner.

   同义词bouncehopjumpleappouncespringvault

2. Form a boundaryC1formal

   To form the border or edge of an area; to be adjacent to something.

   与…接界

   • The river bounds the property on the north side.
   • The national park is bounded by a high mountain range.
   • Their land is bounded by a fence and a small stream.

   同义词bordercircumscribedelimitdemarcateedgeencloseflankfringerimskirtsurroundverge

3. Restrict or limitB2formal

   To place limits on the extent, scope, or access of something.

   限制

   • The contract bounds the company's liability to a fixed amount.
   • New regulations bound the use of certain chemicals in manufacturing.
   • The agreement bounds the number of visitors allowed per day.

   同义词circumscribeconfinecurbdelimitlimitrestrainrestrict

   反义词freeloosenreleaseunbind

4. Rebound or spring backB2formal

   To spring back after hitting a surface; to bounce off an impact.

   弹回

   • The ball bounded off the wall and rolled across the floor.
   • The sound bounded back from the canyon walls.
   • The rubber ball bounded high into the air after hitting the pavement.

   同义词bouncecaromreboundrecoilricochet