Chileite
砷钒铅铜矿
🗣️ 情景例句
Please don't cut it too short.
不要剪得太短了。
The problem is far from easy.
这问题绝非易事。
With practice, no doubt, I could in time learn to write by holding the pen still while the paper moved.
毫无疑问，经过练习，我最终能够学会笔不动而纸动来写字。