玄武岩是最普通的火山岩.Basalt is the commonest volcanic rock.需要用玄武岩来铺设路面或修防洪堤.Basalt is needed to surface a road or to build a break water.所有的迹象只表明海洋地壳处都是玄武岩质的,组成也比较稳定.All indications are that it is everywhere basaltic and relative...
I can't believe that those two murders are unconnected.我不相信那两桩谋杀案之间毫无关联。She was known to have had personal problems unconnected with her marriage.据悉，她有过一些与婚姻不相干的个人问题。It was better to make it deal with something tota...
The weather forecast is for showers and overcast skies.天气预报上说多云并伴有阵雨。To make extra certain, a police helicopter kept watch from the skies.为确保万无一失，一架警用直升机一直在空中警戒。He searched the skies for enemy bombers.他在空中搜寻敌军轰炸机。...