reciprocate

动词 v.

英文释义

动词 v.
  1. To exchange two things, with both parties giving one thing and taking another thing. transitive
    — The USTR isn't reciprocating actual tariffs. It's just placing the biggest tariffs on the countries running the biggest trade surpluses.
  2. To give something else in response (where the "thing" may also be abstract, a feeling or action) To make a reciprocal gift. transitive
    — I gave them apples from my tree; they reciprocated with a pie and some apple jelly.
  3. To move backwards and forwards, like a piston. intransitive
    — a reciprocating engine
  4. To counter, retort or retaliate. intransitive

词形变化

reciprocates present,singular,third-person reciprocating participle,present reciprocated participle,past reciprocated past

词源

From Latin recīprocātus, perfect passive participle of recīprocō (“to move back and forth”) (see -ate (verb-forming suffix)), from reciprocus (“back an forth, reciprocal, alternating”) + -ō (first conjugation verb-forming suffix), itself possibly from a phrase such as reque proque (“back and forth”), from re- (“back”), prō (“forwards”) and -que (“and”). See also reciprocal. Compare French réciproquer.
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