Heptynoic acid
[化] 庚炔酸
🧩 词语组成解析
🗣️ 情景例句
Susan, I'd like to continue this conversation later. Susan
我希望等一下能继续我们的谈话。
The accident held the train up for an hour.
那事故使火车延误了一个小时。
He gets a good salary, but he always borrows money from his friends and never pays it back.
他的薪水很高，但他却总是向朋友借钱，并且从来不还。