Thorutite
钍钛矿
🗣️ 情景例句
This job is no picnic.
这份工作很累人。
But we cannot afford to depend on tradition alone.
但是我们不能靠吃老本过日。
As his flat is in a large town, he has no garden of his own.
他住在大城市里的一所公寓里，没有自己的花园。