Polytef
[化] 聚四氟乙烯
🗣️ 情景例句
Thank you.
谢谢你。
It's raining.
外面下着雨。
His newspaper provided him with some money in order that he might travel to Gambia for his research.
他的报社给他提供了一些资金，以便他可以去冈比亚进行研究。