Polyoxybutylene
[化] 聚氧化亚丁基
🗣️ 情景例句
I can't wait much longer.
我再也不能等了。
Every man has the defects of his qualities.
一个人的好品质上也有不足之处。
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，