Bibivalent
[化]双二价的
🗣️ 情景例句
That's a practicable course of action.
那是一个切合实际的行动方案。
These clothes are dirty, they need to be washed.
这些衣服脏了，需要去洗。
Where's Sally, Jack?
杰克，萨莉在哪儿？