Hexafluoropropylene
[化] 六氟丙烯
🗣️ 情景例句
The organization serves major companies in this city.
这个组织为本市各大公司服务。
My native language is Chinese.
我的母语是汉语。
4 Think of a time when you were happiest. What were you doing?
4。想一想你感到最高兴的时刻。当时你在做什么？