Bisacrylamind
[机] 双丙烯酰氨
🗣️ 情景例句
You still look like a teenager.
你看起来像一个十几岁的青年。
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
It was a great help to me.
真是获益良多