Pentadecynic acid
[化] 十五炔酸; 十五碳炔酸
🧩 词语组成解析
🗣️ 情景例句
Yes. I'm sorry, but how do you spell your last name, sir?
好的，不过对不起，先生你的姓怎么拼？
The data confirm that this product is safe and effective.
数据证实此种产品安全有效。
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”