Bivalent
a. 二价的\\n[化] 二价的
✅ 同义词
🏥 医学释义
二价的（化学元素）
🗣️ 情景例句
Bye-bye.
再见。
My brain doesn't seem to be working well today.
我的头脑今天好像不太灵光。
'Where have you been hiding?' she asked impatiently.
“你躲到哪儿去了？”她不耐烦地问，