Cyclohexanol
环己醇
🗣️ 情景例句
What are you so upset about?
什么使你如此难过？
How long is the ticket valid?
这车票有效期多久？
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