坑

Since there are many craters larger than 35 kilometers, Dione could have been repeatedly spun during its early heavy bombardment.

由于土卫四表面有许多大于35千米的撞击坑，因此它在早期撞击率比较高时可能不断被转动。

European Cassini spacecraft flew within 310 miles (500 kilometers) of the Dione's pale surface last week, showing it possessed a heavily cratered surface but no presence of an atmosphere.

上周美国－欧洲的卡西尼太空船飞离土卫四的苍白色表面310英里（500公里），显示它的表面有一个巨大的坑，并且没有大气的存在。

In the evenings when he was free , he would stare fixedly at this clay friend who could only swallow money but not disgorge it . In a low voice he would exhort it, Eat more, old boy, eat more!

晚间无事的时候，他钉坑儿看着这个只会吃钱而不愿吐出来的瓦朋友，低声的劝告：多多的吃，多多的吃，伙计！

Combining optimization design with CAD and automatizing completely the process of design have become a important development trend in design method field.A new-style ditcher for sluice and keeping soil humidity is a rotary, discontinuous ditcher. It mainly used in arid and semiarid area, dig pits to sluice in sloping field, meadow, fallow and wasteland.

新型蓄水保墒机具是一种旋转式间断开沟机，主要用在干旱半干旱地区，通过在坡地(＜15°)、草地、休闲地及不能及时耕种的撂荒地上开挖一些小坑来蓄积雨水，使雨水渗到地下，被作物自由吸收利用或补充地下水。

If you wanted to dig a divot-sized hole just once, you couldn't justify the purchase of a shovel for the task; it would be easier, cheaper, and quicker to just claw the divot out of the ground with your hands.

如果你想要挖个高尔夫球洞，你不需要铁铲；只需要用手挖个小坑，它更便宜，容易，而且迅速。

Out of their professional sense and care of me, they suggested a thorough check. I didn't think it so serious and needed any hurry. For one thing I didn't think there would be anything seriously wrong with my body let alone get cancer. For another thing, it was the end of the term then. There was much work to do and everyone had his duty and task. If I asked for leave, someone had to take my class instead, which might add to his burden. Furthermore, I feel a baffling repugnance to hospitals--- following prescribed orders and rules docilely, working in a mechanical way, unreasonable and cold.

我想问题没那么严重，不用着急，其一，我始终觉得我身体不会出什么大问题，更压根儿没想到会得癌症；其二，时届期末，工作比较紧张，现在又是一个萝卜一个坑，你一请假，别人就得给你代课，增加人家的负担；其三，我对医院始终有一种莫名其妙的反感，按部就班、循规蹈矩、死板教条、态度冷漠、不近人情。

Any mass grave is a relatively rare find, but to find one on this scale, from this period of history, is extremely unusual and presents an incredible opportunity to learn more about what is happening in Dorset at this time.

" "任何万人坑是比较罕见的发现，但发现如此规模的一个，从这段历史，是极为罕见，并提供了一个千载难逢的好机会，了解什么是发生在多塞特在这个时间。

She punctuated her point with a double flip into the foam pit.

她用双翻后落入泡沫坑的示范说明了她的观点。

Stress-relief structure not in accordance with related standard and the stress situation would lead the thread root to be the weakest position of drill collar box.

结果表明，钻铤材料中MnS夹杂物超标，螺纹底部和牙侧存在腐蚀坑和加工划痕，这些缺陷的存在降低了钻铤的服役能力。

Second, I hooked one of those old acne potholes with my razor and created an instant dueling scar.

其次，我用剃刀刮到一个老粉刺留下的坑，立刻刮出一个即时决斗的疤。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。