Pentadecanolide
[建] 十五酸内酯
🗣️ 情景例句
I think I'm quite proficient in both written and spoken English.
我认为我在英语读写方面相当熟练。
If he gets scared at the night noises, be patient with him.
如果他晚上感到害怕，请你们多多见谅。
The order number wasn't anywhere on any of the boxes.
所有的条子都没打上订货号码啊！