Sebiolith
皮脂石
🗣️ 情景例句
Yes. That would be much better.
行，那样也好。
When the fire started, I was writing letters.
当火起来的时候，我在写信。
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而劳动强度却降低了。