sub-shell

常见例句

I had to sub for the referee, who was sick.
裁判病了，我得代为裁判。
Keep down of you'll be hit by shell fragments.
别起来，否则你会被弹片击中的。
The snail retreated into its shell.
蜗牛缩进壳里去了。
A shell splinter embedded itself in the wall above his head.
在他头上方的墙壁上嵌有一块小小的贝壳片。
The building was burned to a shell.
大楼被烧得只剩下空骨架。
The despair left him a mere shell of a man.
他陷入绝望，形同躯壳。