Arcose
长石砂岩
🗣️ 情景例句
You're writing a book?
你在写一本书吗?
In fifty years there'll be twenty people per square yard, it is written here.
这里写着，再过五十年每平方码将要住着20人的人口密度。
Half a pound of coffee.A quarter of pound of tea.And a tin of tobacco.
半磅咖啡、1/4 磅茶叶和一听烟丝。