Octadecannamide
[建] 硬脂酰氨
🗣️ 情景例句
I can't make up my mind about it.
关于那件事，我还不能做决定。
My brother wants to learn how to sail a boat.
我的兄弟要去学操纵帆船。
while our own compulsory school attendance became law in Germany in 1642,
而我们的义务教育成为法律在德国是在1642年，