n. 其时, 其间ad. 同时, 于此时

◆记忆方法一：
联想方式：mean（中间）；while（=time时间）
记忆方法：在事情发生中的时间段→其间。

mean/meaning/meaningful/means/meanwhile/meantime
记忆：
1. mean [ mi:n, min ] adj. 低劣的, 卑鄙的, 吝啬的 vt. 意谓（mean doing sth）, 想要(mean to do sth.) What do you mean by that?你那是什么意思？
2. meaning [ 5mi:niN ] n. 意义, 含意, 意图 We can guess the meaning of the new word before we look it up in a dictionary.在查字典之前，我们可以猜测一下生词的意思。
3. meaningful [ 5mi:niNful ] adj. 有意义的 Taking can’t make a meaningful life. 索取不能使人生有意义。
4. meaningless [5mi:nINlIs] adj. 无意义的 I find his lecture not only dull but also meaningless.我觉得他的演讲不仅枯燥而且毫无意义。
5. means [ mi:nz ] n. 手段, 方法 You can do it in any means you think of.可你想用你想到的手段去做。
6. meanwhile [5mi:nwaIl; (?@) 5mInhwaIl] n. 其间, 其时 adv. 其间 They'll be here soon. Meanwhile we'll have some coffee.他们很快就到。我们此时喝点咖啡吧。
7. meantime [ 5mi:n5taim ] n. 其间, 其时 adv. 其间 In the meantime we waited impatiently. 在此期间，我们耐心地等待着。
另类阅读：
I mean we should have a meaningful holiday by all means and meanwhile, we ought to think of the meanings of our life.