Nonylic acid
[化] 壬酸
🧩 词语组成解析
🗣️ 情景例句
Well, are you going to tell me what's on your mind, Harry?
好了， 你要不要告诉我你在想什么， Harry？
Am I your teacher?
我是你们的教员吗？
I saw him playing football on the playground.
我看见他在操场上踢足球。