Deficience
n. 机能不全; 缺乏; 缺点（等于deficiency）
🗣️ 情景例句
I'm looking for nail polish remover.
我想买点洗指甲油水。
To cast off the shell
蜕皮
Somebody's knocking at the door. I'll answer it.
有人在敲门，我去开。