Polytef
[化] 聚四氟乙烯
🗣️ 情景例句
The gap is too wide to be filled. The largest cut we can offer is 5%.
价格差距太大，我们最多降价5%。
I ache all over.
我浑身酸痛。
the most destructive effects have come not from physical weapons but from ideas.
破坏作用最大的不是杀人的武器，而是思想。