Grapholite
石墨片岩
🗣️ 情景例句
According to my experience, I agree that yours are of better quality.
有我的经验来判定你们的产品的确较好。
A good conscience is a soft pillow.
白日不做亏心事，夜半敲门心不惊。
I know all about it.
我知道有关它的一切。