Tefzel
乙烯-四氟乙烯共聚物
🗣️ 情景例句
What's your trade-in policy?
这里对汽车是怎样做折价处理的？
Can I take a rain check?
你能改天再请我吗？
No! I mean, have you seen how dirty the water is? It looks as if it isn' t clean enough to bathe here.
不！我的意思是您有没有看见海水有多脏？看起来海水好象不干净，不能游泳。