Brggerite
[化] 铀钍矿
🗣️ 情景例句
How do you like it, Daddy?
你觉得怎样 ，爸爸？
It's a waste of time.
这是浪费时间。
Walking up and down the stairs would beat any exercise machine.
上下楼梯可比什么健身器都要好。