Degrain
粒面经过处理的皮革
🗣️ 情景例句
Practice tenses as much as possible.
操练各种时态。
It takes time.
这需要时间。
It has expanded without any idea of the true nature of the human beings who run the machines,
现代工业发展起来了，却根本没想到操作机器的人的本质。