N-valeraldehyde
[建] 正戊醛
🧩 词语组成解析
🗣️ 情景例句
Robbie, this new Walkman is absolutely wonderful. Robbie
Robbie 这个新的随身听真棒。
My sister worked as a secretary before she got married.
在她结婚了以前，我的姐姐为一位秘书。
Look out! There's a kangaroo!
当心！一只袋鼠！