N-butanal
[化] 正丁醛
🧩 词语组成解析
正丁醛
🗣️ 情景例句
I'm still learning.
我还在学习当中。
I'm too cold.
我太冷。
He sent yet another fax informing the journalist that if he did not reply soon he would be fired.
于是他又发了一份传真，通知那位记者说，若再不迅速答复，将被解雇。