Rathite
斜方砷铅矿, 灰砷铅矿, 双砷硫铅矿
🗣️ 情景例句
About eight o'clock?
差不多八点钟好吗？
I'm twenty-one years old.
我21岁。
It suddenly dawned on me that this express was not roaring down the line at ninety miles an hour, but barely chugging along at thirty.
我突然感到这趟快车并没以时速90英里的速度呼啸前进，而是卟哧卟哧地向前爬行，时速仅30英里。