Cobaltous
a. (正)钴的, 二价钴的\\n[建] (正)钴的, 二价钴的
🗣️ 情景例句
He's gone out of business.
他失业了。
Tell us about your post-purchase servicing.
告诉我们有关你们售后服务的情况。
Then he remembered his comrade downstairs.
然后他想起楼下的同志。