Polytrifluorochloroethylene
聚三氟氯乙烯
🗣️ 情景例句
I care about people, not things.
我关心的是人而不是东西。
May I ask you how old you are?
我能问你多大了吗？
Then they had a second child-a son. How happy they were!
后来他们有了第2个孩子一个儿子。他们多么高兴啊！