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
Richard, how much broccoli do I need for seven people? Richard
七个人吃需要多少花椰菜
How long will you be working in Canada?
你将在加拿大工作多久？
I really think a little exercise would do you good.
我真的觉得做点运动对你有好处。