Biomicrudite
含砾生物泥晶石灰岩
🗣️ 情景例句
That's like closing the gate after the horse has bolted.
那无异于马后炮。
My roommate's having a party.
我的室友安排了一个聚会。
This makes copies, using a mirror, a roller and special black powder.
传真机使用一面镜子，一个滚筒和持制的黑色粉未制作复制品。