Fluororubber 246
[化] 氟橡胶246
🧩 词语组成解析
[化] 氟橡胶
🗣️ 情景例句
Well, a wristwatch,
嗯，一个手腕表，
Don't just shake you head.
别光摇头，想想办法！
In the afternoon, classes are over at 3:30, and I get home at about 4:00.
下午三点半下课，我大概四点到家。