Coprecipitator
[化] 共沉淀剂
🗣️ 情景例句
Yes. I know I must seem silly.
是的，我知道我看来一定很可笑。
In the United States ,there are many factories for making cloth.
在美国，有许多造布的工厂 。
What's the matter, Carol?
怎么了，卡罗尔？