bounded

• 表示受到限制或局限于一定范围内的，既可用于具体的物理边界，也可用于抽象概念。

Describes something that is limited or confined within certain boundaries, either physically or abstractly.

1. Limited or restrictedB2formal

   Having limits or boundaries; not infinite.

   有界的

   • The research was bounded by a strict budget.
   • His knowledge is bounded by his lack of experience.
   • The area of the park is bounded by a fence.

   同义词circumscribedconfinedconstraineddelimitedfinitelimitedrestricted

   反义词boundlessinfinitelimitlessunboundedunlimitedunrestricted

2. Surrounded or enclosedB2formal

   Having a physical boundary or border.

   有边界的

   • The garden is bounded by a stone wall.
   • The property is bounded on the north by a river.
   • The city is bounded by mountains on three sides.

   同义词borderedcircumscribeddelimitedencircledenclosedsurrounded

   反义词openunboundedunlimited

• 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