Permaphase
带硅氧烷聚合物层的色谱固定相
🗣️ 情景例句
What did he say? Did you tell him about me?
他怎么说？ 跟他谈到我吗？
Pardon me.
请原谅。
that bodies and the can be rapidly covered over and preserved.
尸体之类的东西才能被迅速地覆盖而保存下来。