🧩 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;
n. 虾虎鱼
🗣️ 情景例句
Please do the work at your own convenience.
请在方便时把这事做一做。
Christmas comes but once a year.
佳节良辰，机会难得。
one ought to have at least two or three hobbies, and they must all be real.
至少应有两三种爱好，而且都比较实际。