Bivalent atom
[机] 二价原子
🧩 词语组成解析
a. 二价的\\n[化] 二价的
🗣️ 情景例句
Well, what's going on?
噢， 怎么啦？
How many sisters and brothers do you have?
你有几个姊妹和兄弟？
It seemed as if there was no way out.
看情形似乎没有出路了。