矿物往往埋藏在地层深处.Minerals are often found deep in the ground.在圈定地层过程中,植被往往具有很大的作用.The role of vegetation in outlining formations is often of great help.我们把它们当作实际上的地层单元来考虑,它们主要由岩浆沉积作用所产生.We regard them as actural stratigraphic...
Other causes of migraine are VDU screens and strip-lighting.偏头痛的其他诱因还有电脑的视频显示器和灯管照明。Adjust the lighting so it is soft and restful.调节灯光使其看上去既柔和又能给人带来舒缓感。The lighting was subdued.灯光柔和。...
Despite repeated assurances to the contrary, Pakistan has not ended its nuclear programme.尽管巴基斯坦再三保证停止其核项目，但事实却并非如此。Skill is acquired through repeated practice,and practice makes perfect.久练为熟,熟能生巧。I repeated them until I...
The linguists went to study tribal languages in the field.语言学家们去实地研究部落语言了.The linguists'main interest has been to analyze and describe languages.语言学家的主要兴趣一直在于分析并描述语言.I think that phonological writing should be for t...