Pentadecanolide
[建] 十五酸内酯
🗣️ 情景例句
Have you filled in the baggage declaration?
行李申请单填好了吗？
You shouldn't refuse the children's request.
拒绝孩子们的恳求是件不好的事。
I assure you that you will feel no pain at all.
我保证你根本不会觉得疼的。