Dimetalation
二金属取代作用
🗣️ 情景例句
I can believe that. One good thing about ping pong is that it doesn't need much space.
我几乎不敢相信。乒乓球最大的好处是不占地方。
No! Women should stay at home.
不，女人应该呆在家里！
Two ice cream please.
请拿两份冰淇淋。