Cobaltous
a. (正)钴的, 二价钴的\\n[建] (正)钴的, 二价钴的
🗣️ 情景例句
They're open until nine o'clock.
他们开到九点。
That man is a teacher,isn't he?
那个人是位教员，对不对？
The old lady though the was a fussy creature,
老妇人觉得巡官大惊小怪，