Pentanoic acid
[化] 戊酸
🧩 词语组成解析
🗣️ 情景例句
I'll wait outside.
我到外面等。
When does it arrive?
什么时候到那儿？
I'm sorry to hear that. I hope you're better now.
听说你病 了，我心里很不好受。我希望你现在好些了。