The results are listed as following: 1 the top surface layers of CRIC and 316l SS sample were remelted under the irradiation of HCPEB. Crater-like morphology was formed on the treated surfaces.

冷轧工业纯铜及316 L不锈钢处理样品表面均发生重熔现象，处理面上形成类似火山坑的显微形貌。

youdao

An enormous crater-like hole had appeared in the German town of Schmalkalden overnight, splitting the road in two and taking with itswallowing a car.Another car dangled precariously over the edge.

当天深夜，在德国图林根州小镇施玛卡尔登一个居民区附近突然出现一个弹坑状深坑，将道路一分为二，且吞噬了一辆汽车，而另一辆选在深坑边缘摇摇欲坠。

youdao

There are places on Mars, like Gusev Crater, which resemble soda lakes on Earth, according to an analysis of minerals by NASA's Spirit rover.

根据美国航空航天局勇气号探测器对矿物质的分析，火星上有些地方——比如古瑟夫撞击坑——和地球上的碱湖差不多。

youdao

The large numbers of herd animals -- wildebeest, zebra, antelope -- and the drama of the migration attract many visitors to Kenya and Tanzania -- but in places like the Ngorongoro Crater you are likely to see many other vehicles during a game drive.

CNN: , for CNN Travel

The base will actually be built inside a real crater and the daytime temperature of -23 degrees Celsius is like a nice summer's day on Mars.

BBC: Destination Mars on Earth

Sharp a three-and-a-half-billion-year-old peak in the middle of the crater, with layered deposits like a textbook on Martian prehistory.

NEWYORKER: The Martian Chroniclers