Bivalent
a. 二價的\\n[化] 二價的
? 同義詞
?? 醫學釋義
二價的（化學元素）
??? 情景例句
That movie received a favorable review.
那部電影受到了好評。
I asked him to go to the store, but he wouldn't
我請他去商店，但是他不肯。
Yes, I am.
是的。