Polyphenylethyl
聚乙基苯
🗣️ 情景例句
We've only been here for a day,
我们到这里仅仅一天，
Don't worry.
不要担心。
If he wants to make any changes,minor alternations can be made then.
如果他有什么意见的话，我们还可以对计划稍加修改。