Valerce
原子价(化学)
🗣️ 情景例句
Yes, I am.
是的，我是。
Sorry, but could you kindly repeat what you just said?
抱歉，你可以重复刚刚所说的吗？
The shape and dimensions of the skyscrapers depend entirely on the necessity of obtaining the maximum income per square foot of ground,
每平方英尺地皮取得最大收入