n. 年龄;时代;老年;年龄段;
vt.& vi. (使)长大;使显老;使变老;使苍老;
vi. [化学]老化;陈化,熟化;(吸毒者随年龄增长而主动)戒毒,戒除毒品;
vt. [化学]使老化;使陈化;使熟化;估计,推测(马的年龄);
🗣️ 情景例句
You've been very thoughtful.
你一直都很周到。
Why are you disappointed?
你为什么灰心?
is as the proportion of the total vocabulary of his mother tongue against those words of his own baby talk that are taken up into the vernacular of his family.