Pentadecanolide
[建] 十五酸内酯
🗣️ 情景例句
What about a cup of tea?
喝杯茶如何？
This alone made our nine-day trip worthwhile.
光这件事我们9天的旅行就非常值得。
Can she type this letter for me?Ask her please.
她能为我打一下这封信吗？请问她。