🧩 词语组成解析
sleeper
['sli:pə]
n. 卧车;轨枕;睡觉（呈某种状态）的人;冬眠动物;
nest
[nest]
n. （鸟）窝;温床;（套叠在一起的）一套物件;藏匿处;
vt. 筑巢;嵌套;
vi. 筑巢;
🗣️ 情景例句
Robbie, we'll go fishing soon, Robbie
啊， 我们很快就会去。
This part of the country is very mountainous.
这个国家这一部分有很多山。
Wu dropped his stick! He stopped to get it and of course fell behind.
吴的接力棒掉地了！他停下捡棒，当然就落后了。