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...
With respect to your other proposals, I am not yet able to tell you our decision.谈到你的其他建议, 我现在还无法把我们的决定告诉你.These effects appear to be negligible with respect to aerodynamic coefficients.就空气动力系数这方面来说,这些影响似乎可以略去.The beams ...
He was in utter despair.他完全绝望了。Christie retaliated by sending his friend a long letter detailing Carl's utter incompetence.为了报复,克里斯蒂给他朋友寄了一封长信,细述卡尔完全不称职。an act of utter selfishness纯粹的自私之举I hold those fools in utter ...
The EPA's rules about what constitutes hazardous waste are backfiring against the nationwide recycling effort.环保署关于有害物质的法规同全国资源回收的工作正好唱反调.Its principal purpose is the cleanup of leaking hazardous waste disposal site...