Jiningite
褐铀钍矿, 集宁石
🗣️ 情景例句
Robots can be used for many tasks which are considered too dangerous for people to do.
机器人能完成许多对人类来说是很危险的任务。
In that regard, at least, we agree.
至少在这个问题上我们是一致的。
During the summer, I noticed tat the leaves of the tree were beginning to wither.
到了夏天，我发现树叶开始枯萎，