Chevkinite
硅钛酸铈钇矿
🗣️ 情景例句
By the way, how is your wife doing, Harrison?
顺便问一下，贵夫人近来可好吗？
We should take due care for this accident.
我们应该对这件事给予应有的注意。
The whole world knows that.
全世界都知道。