Polyphenylene
聚亚苯基
🗣️ 情景例句
I wish the weather was like this all year.
我希望整年都是这样的天气。
First come, first served.
先来先卖。
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。