Earth's crust
地壳
🧩 词语组成解析
crust
[krʌst]
n. 面包皮;外壳;硬外皮;地壳;
vt. 用外皮覆盖;在…上结硬皮;生痂儿;
vi. 结成外壳;结硬皮;
🗣️ 情景例句
There's a shortcut--if you know it.
假如你识路的话, 有一条近路可走。
We can't fly our kites any more because the wind has stopped.
由于风静止，所以已经没法放风筝了。
This morning, however, a firemen accidentally discovered the cause.
然而今天上午，一个消防队员偶然发现了起火的原因。