Durinite
[地质]暗煤素质
🗣️ 情景例句
To help scrub the building interior clean.
帮忙把建筑的内部擦洗干 。
May I borrow your book?
我能借你的书吗？
Please tell Mr Hu that I am working hard on my Chinese.
请告诉胡先生，说我正在努力学习汉语。