He is on a trek through the South Gobi desert.他正徒步穿越南戈壁沙漠。Most of the trek is along worn paths.大部分时候都是沿着被人踩得坑坑洼洼的小路跋涉。Joyce Bryt is a devoted Star Trek fan.乔伊丝·布赖特是《星际迷航》的狂热粉丝。...
a swap meet for collectors of Star Trek memorabilia《星际迷航》纪念品收藏者交流会He is on a trek through the South Gobi desert.他正徒步穿越南戈壁沙漠。The World Trade Centre is a bit of a trek from Soho, but it's worth it.从苏豪区到世贸中心走起来是有点远，但还是...
日冕连续区基本上是经向偏振.The continuum of the corona is essentially radially polarized.日冕总是不断地获得能量和损失能量.The corona gains and loses energy continuously.仔细研究细节后,我们发现日冕有精细结构.Looking at small details we find that the corona has a delic...
Crushed bones make one of the best fertilizers.骨粉是最佳肥料之一.Losses of Ca and Mg are accelerated by fertilizers which supply nitrate, sulphate and chloride.在施用硝酸盐 、 硫酸盐和氯化物的情况下会加速钙和镁的损失.inorganic fertilizers无机肥料Also, the ant...