只不过，液位这个现象仍然不存在，被困当时科学技术短缺，人类仍然没寻找适合的测量手段。

The discovery of strange, mineral veins on Mars has planetary scientists buzzing. And no wonder: the find may shed new light on the Red Planets watery

2019年，我花上了完全一半的时间来研究投资，用作找寻我在2018年资产骤减的原因。

The amount of solar power added worldwide soared by some 50% last year because of a sun rush in the US and China new figures show.新的数据表明，去年全球太阳能发电增量提升

“如果单元门上了锁，这么多人进进出出不方便，仍然没想过要锁单元门。

As cities continue to grow at a dizzying rate, commuters are constantly battling ever-increasing congestion on the roads and a lack of parking, just t