Cataloid
胶体二氧化硅
🗣️ 情景例句
That's good, I thought I was late.
太好了，我还以为我来迟了呢。
The restaurant was full, so we decided to go to another place.
那餐厅客满了，我们决定到另一个地方去。
philosophers by selling wisdom and priests by selling spiritual comfort.
牧师靠卖精神安慰为生。