in-migration (n.) in-law (n.) in-joke (n.) in-itselfness (n.) in-house (adj.) in-going (adj.) in-gather (v.) in-flight (adj.) in-fighting (n.) in-depth (adj.) in-country (n.) in-between (n.) in- (1) in vivo (拉)[生物] 在活的有机体内in vitro (生物过程或生物反应)在体外(常指试管内)进行的。in utero in toto (adv.) in totidem verbis in situ 在原地的。in re (prep.)