Tefzel
乙烯-四氟乙烯共聚物
🗣️ 情景例句
That will be fine.
那可以。
Fortunately,I jumped back in time to avoid being hit.
幸好,我及时跳回来避免被撞击。
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。