Heptadecyl
十七(烷)基
🗣️ 情景例句
Are you a citizen of the People's Republic of China?
你是中华人民共和国的公民吗？
The hardest thing to learn is to be a good loser.
最难学的一点是做一个输的起的人。
It looks as if she's gone away for a few days.
好象她要外出好几天了。