Cobalt crust
[化] 钴华; 八水合砷酸钴
🧩 词语组成解析
n. 钴, 钴类颜料\\n[化] 钴Co
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
She liked Pete, and they went to dances together.
她喜欢Pete， 他们也一起去跳舞。
Tom graduated from college at a very young age.
汤姆很年轻就从大学毕业了。
I felt sure I would never be able to close the case again.
我相信那箱子再也关不上了。