Uhmw
abbr. ultra-high molecular weight 超高分子量
🗣️ 情景例句
Let's give him our presents--now.
现在把我们的礼物送给爷爷吧。
I asked him to lend me a book , but he wouldn't.
我请他把书借给我，但是他不肯。
It was made in Germany in 1681.
是1681年德国造的。