obligate

• 描述某事物是义务性的、必须的或不可避免的，常用于正式或科学语境中。

Describes something that is required or necessary, often used in formal or scientific contexts.

1. Restricted to a particular condition of lifeC1formalscientific

   Describes an organism that is restricted to a specific mode of life or environment, often unable to adapt to other conditions.

   专性的

   • An obligate parasite cannot survive without its host.
   • Obligate aerobes require oxygen for their metabolic processes.
   • Some bacteria are obligate anaerobes and die in the presence of oxygen.

   同义词boundobligatorystrict

   反义词facultative

• 动词，表示使某人承担法律或道德上的义务，要求其按某种方式行事。

A verb used to indicate the act of binding someone legally or morally to a course of action.

1. Force or compelB2formallegal

   To require someone to do something, often due to legal, moral, or social reasons.

   使有义务

   • The contract obligates the company to deliver the goods by Friday.
   • Parents are obligated to provide for their children's basic needs.
   • The law obligates all citizens to pay taxes.

   同义词bindcoercecompelconstraindriveforceimpelnecessitateobligerequire

   反义词allowpermit

2. Commit to fulfill an obligationB2formal

   To make a commitment or pledge to do something, often in a formal or binding way.

   使承担义务

   • He obligated himself to complete the project by the end of the month.
   • The organization is obligated to use the funds for charitable purposes.
   • She obligated herself to attend the meeting despite her busy schedule.

   同义词bindcommitengagepledgeundertake

   反义词absolvedischargeexemptfreerelease

3. Bind by an obligationC1formal

   To cause someone to feel indebted or bound to do something, often through a favor or promise.

   使负有义务

   • His generous help obligated me to return the favor.
   • The gift obligated her to express her gratitude publicly.
   • I felt obligated to support him after all he had done for me.

   同义词bindcommitcompelconstrainobligerequire