Thorutite
钍钛矿
🗣️ 情景例句
It's been an extremely hectic day.
今天忙的乱七八糟。
What makes life dreary is the want of motive.
没有目的，人生就黯淡无光。
He's a very nice person.We'll all miss him.
他是个非常好的人，我们大学都会想念他的。