Sleeper agent
潜伏特工
🧩 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;
🗣️ 情景例句
He's always been a real playboy.
他就是个花花公子。
Who is the auther of this short story?
谁是这短篇故事的作者？
In much of China, spring is usually very short.
在中国的许多地方，春天通常很短。