Jacobsite
锰尖晶石
🗣️ 情景例句
And a good paint job.
还需要好好的粉刷。
A useful trade is a mine of gold.
一样有用的手艺是取之不尽的财富。
We really need more specific information about your technology.
我们需要与贵公司技术相关更专门的资讯。