耗时五年才钻到了基岩。It took five years to drill down to bedrock.石油或石油摄影地质主要是研究基岩情况的.Petroleum or oil photogeology is primarily an evaluation of bedrock conditions.它可能是通过基岩的腐蚀和崩解就地生成的.It may develop in place by the decay and disin...
我会打补丁，缝纽扣。I know how to darn, and how to sew a button on.他的上衣肘部有一块补丁.He had a patch on the elbow of his jacket.这块补丁有点像出自外行之手.This patch looks a bit unprofessional....
All this leads up to the most fundamental of theorems of calculus.综上所述就导出了微积分学中的最基本的定理.The culmination of the work on singularities is two famous transformation theorems.奇点研究的顶峰是两个著名的变换定理.All forms of reciprocal theorems...
The streets were strangely quiet, with only a monotonous, aggravating clanging sounding from the blacksmiths'forges.街上异常的清静, 只有铜铁铺里发出使人焦躁的一些单调的叮叮当当.How aggravating to be interrupted!被打扰,多令人生气呀!Diesel exhaust is part...