Bibivalent
[化]双二价的
🗣️ 情景例句
You'll do great. break a leg!
你会干得很棒的，祝你好运！
A fox should not be of the jury at a goose's trial.
审鹅不应狐陪审。
He suddenly appeared in the party.
他突然在晚会上出现了。