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1·The surface of the moon is pitted with craters.

月亮的表面布满陨石坑。《牛津词典》

2·Put bomb craters in there.

把弹坑放那里面。

3·On Mars, there are relatively few craters less than 5 kilometers in diameter.

在火星上，直径小于5公里的陨石坑相对较少。

4·From radio survey data, we know that the basin contains lots of smaller craters.

根据无线电测量数据，我们可以得知盆地里有许多较小的陨石坑。

5·However, Martian craters get filled in considerably faster than their lunar counterparts.

然而，火星陨石坑被填满的速度比月球陨石坑快很多。

6·Heat could be retained as debris fall back into impact craters, creating an insulating blanket.

当碎片落回撞击坑时，热量可以被保留下来，形成隔热层。

7·Some wells are vast, open craters with hundreds of steps paving each sloping side, often in tiers.

有些井是露天的巨坑，每个斜边都有几百级台阶，通常是一层一层的。

8·In other areas, you've got canyons, ripped valleys, meteo craters, lava domes, these lava formations that look like giant pancakes.

在其他地区，你会看到峡谷、裂谷、陨石坑、熔岩圆顶，这些熔岩构造的形状看起来就像巨大的煎饼。

9·To date, several such secondary craters have been found along Mexico's Yucatan Peninsula, and heat-shocked quartz has been found both in Mexico and in Haiti.

到目前为止，在墨西哥尤卡坦半岛已经发现了几个这样的二级陨石坑，而且，在墨西哥和海地都发现了热休克石英。

10·You know planetary researchers love studying deep craters to learn about the impacts that created them, and how they redistributed pieces of the planet's crust.

我们知道，行星研究人员喜欢研究深深的陨石坑，以了解造成这些陨石坑的撞击，以及它们是如何重新分配行星的地壳物质的。

(1)crater laken. 火山口形成的深湖

(1)explosion crater爆裂火口；爆破漏斗