Cobaltous
a. (正)钴的, 二价钴的\\n[建] (正)钴的, 二价钴的
🗣️ 情景例句
Is something wrong, Alexandra?
怎么了Alexandra？
You be the judge.
你来评评理。
Old tunes are sweetest and old friends are surest.
老调最甜美，老友最可靠。