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
How about a date with your grandfather?
和你爷爷约个会好吗？
The telephone is ringing,would you answer it,please?
电话正在响,你接吗？
She's beginning to move a little.
她开始有点能动了。