mothballs
n. [轻]卫生球；樟脑球（mothball 的复数形式）
v. 封存；保藏；使处于备用状态（mothball 的第三人称单数形式）
例句
The smell of mothballs is very pungent.
樟脑丸的味道刺鼻。
You can put that idea into mothballs and forget it.
你可以摈弃那种想法并把它忘掉。
My grandfather's clothes always have the smell of mothballs.
我外公的衣服总是有樟脑丸的味道。
