Ethylhydroxyethylcellulose
乙基羟乙基纤维素
🗣️ 情景例句
How does that look, Rob?
看起来怎么样，Rob？
I'm all mixed up.
我全搞混了。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，