Polytef
[化] 聚四氟乙烯
🗣️ 情景例句
when she goes back to Greece.
她回去希腊时。
Would you please clarify your question?
请你把你的问题说清楚好吗？
he had great difficulty in controlling the car because a tyre burst during the first run.
但他很难把汽车控制住，因为在开始的行程中爆了一只轮胎。