Polyacetylenes
多炔
🗣️ 情景例句
OK. Let's talk.
好， 我们谈谈吧。
My education has been influential in forming my character.
我接受的教育影响了我人格的形成。
It seems that it's more difficult for women to get to the top of a company.
妇女要想得到一个公司的最高职位，似乎更加困难。