Poly(ethylene oxide)
[化] 聚环氧乙烷
🗣️ 情景例句
if, and I repeat,
只要， 我重复一遍，
Quietness is best.
宁静最好。
Some live in large groups like the honey bee, and make their nests in trees or holes in the rocks.
有些蜂如蜜蜂是群居在一起，在树上或岩洞里筑巢。