Fluorofibre
含氟纤维
🗣️ 情景例句
The club will now hear this member's proposal.
俱乐部将听取这个成员的揭底。
It is not how long but how well we live.
问题不是活得长不长而是活得好不好。
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