Keech
油脂团；油脂制备
🗣️ 情景例句
It's refreshing for me.
这是我提振精神的方法。
Good idea!
真是个好主意！
It must have been a gas that could burn but that would not explode, a gas that did not smell strong, and a gas that did not kill people.
它一定是一种能够燃烧而不能爆炸的气体，一种味道不很强的而且不使人致死的气体。