meantimemean•time /ˌmiːntaɪm/

adv 当时；同时

• The baby was sleeping; meantime his mother did the washing. 婴儿睡着了，这期间，他妈妈洗衣服。

词组in the meantime 在此期间，同时

• The next class would start in an hour; in the meantime, we did some exercises. 下节课一小时后开始，在此期间，我们做了些运动。