Small meteorites have left impact craters all over the planet's surface.这个行星的表面布满了小块陨石留下的撞击坑.The battlefield was full of craters made by exploding shells.战场上布满弹坑.Lunar craters can be plainly seen with the aid of a s...
Lunar craters can be plainly seen with the aid of a small telescope.借助小型望远镜可以看清月球上的环形山.A series of collapse craters , or calderas, lie at its summit.其顶端有一系列崩塌的火山口, 或称火山臼.Tropical plants, sandy desert, waterfalls, craters...