Jackengine
n. 辅助发动机
🗣️ 情景例句
Lacks tact.
不够机敏。
I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
I have never been able to look at a snail since then.
从那以后，我再也不能看一眼蜗牛了。