Pentadecalactone
[建] 十五酸内酯
🗣️ 情景例句
Closed for repairs.
关门整修。
A life without a friend is a life without a sun.
人生在世无朋友，犹如生活无太阳。
How can we set up an account with you?
如何才能跟你们设立记帐户头呢？