Spherochrome
白色硅藻土载体
🗣️ 情景例句
What's the difference? No one will ever find out.
有什么两样？没有人会发现。
Provide for the worst, the best will save itself.
作最坏的准备，可以得到最好的结果。
and that is what all patients demand of their doctors----to be cured at no inconvenience to themselves.
病要治好，但不要太麻烦。