Chemglaze
尿烷橡胶(或聚合物)
🗣️ 情景例句
About three weeks. We'll have enough time for our talks.
大约三个礼拜，我们有足够的时间交谈了。
No,he doesn't have one.
不，他没有。
That couldn't be better.
那再好不过了。