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
And remember,
记住，
Books, like friends, should be few and well chosen.
书籍如朋友，应该少而精。
Don't move!
不许动！