Pentadecanoyl
十五(烷)酰
🗣️ 情景例句
The return name and address is
发信人姓名和地址是
I will transfer this call to Mr. Chen.
我把这个电话转给陈先生。
Mary is still writing letters. She's been writing letters all day.
马力还在写信，她写了一整天的信。