Berthonite
车轮矿
🗣️ 情景例句
In order to catch fish, you have to do this.
要钓鱼你就得这样。
A useful trade is a mine of gold.
一样有用的手艺是取之不尽的财富。
there is always something to do in connection with it, from finding the right place for the latest addition, to verifying facts in reference books.
从为新增添的收藏品寻找摆放位置到核对参考书中的事实，总归有事可做。