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
Two hours from now.
从现在起还有两个小时。
In the world, who knows not to swim goes to the bottom.
处世似游泳，不会即下沉。
That's right. It's harder for them.
说得对。对她们来说更加困难。