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
I 'm head over heels in love with you.
我为你神魂颠倒。
I should not hesitate a moment to prefer the latter.
我会毫不犹豫地选择后者。
In man's early days, competition with other creatures must have been critical.
在人类早期，人类与其他生物的竞争一定是必不可少的。