Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。That morning we fired our first kiln of charcoal.那天上午，我们烧了我们的第一窑木炭。Chu...
When he faced lifes inhere finity, he has his special passion and special spirit.在面对生存固有的有限性时, 鲁迅以他特有的热情和精神拒绝了平庸.He returned to Britain so that he could indulge his passion for football...他重返英国，为的是可以尽情释放自己对足球的激情。Her pass...
An aquifer is a water - bearing rock stratum such as sandstone and chalk.地下蓄水层是一些有水的岩石层,如沙岩和白垩岩.The coal is a coal resource that reserves in old stratum.石煤是贮藏在古老地层中的一种煤炭资源.A portion of bedrock or other stratum protruding...
But he already sprinting down the hall pounding of his footfalls echoing behind him.但他已经猛的跑出了大厅,他的脚步声在他的身后回响着.Stride length and frequency are the most important elements of sprinting.步长和步频是短跑最重要的因素.Xiaoming won the gold ...
cells affected by mutation受到突变影响的细胞Scientists have found a genetic mutation that appears to be the cause of Huntington's disease.科学家们已经发现了一种可能是引起亨廷顿舞蹈病的基因变异。This mutation makes it better adapted than the other four....