How long can we continue to supplement agroecosystems with energy derived from declining fossil fuel supplies?由于矿物燃料供应量下降,我们供应农业生态系统能量能持续多久?Power Industries – Nuclear, Fossil Fuel, Combined Cycle, Cogeneration and Distri...
用对位法来演奏这两首曲调。The two melodies are played in counterpoint.巴赫完善了对位法.Bach perfected the art of counterpointing.用对位法写或安排 ( 音乐 )To write or arrange ( music ) in counterpoint....
Politicians have debased the meaning of the word "freedom"政客们贬低了“自由”一词的意义。Fortune-telling is a very much debased art surrounded by superstition.算命是一种非常低级的把戏，充满了迷信色彩。Sport is being debased by commercial sponsorship.体育运动因受...
There were gangs of kids on motorbikes roaming around.过去有成群结队的年轻人骑着摩托车四处游荡。Cars and motorbikes had churned up the field.汽车和摩托车在地上留下了一道道车辙."They're slow, heavy and cost a fortune."— 'So how have these motorbikes...
坍缩的星际云克服向内的引力而向外膨胀到较宁静的星际环境中去.Collapsing interstellar cloud reverses its gravitational infall and expands outward into the relatively quiescent interstellar environment.向下, 向后或向内的延伸, 测度或长度.The extent, measurement, or dim...
终有一天，你会学会让泪往心里流。Eventually, you'll learn to cry that on the inside.对于现况的不满，不能只是抱怨，要有勇气作出改变。If you're not satisfied with the life you're living, don't just complain. Do something about it.若IBM公司和苹果公司联手...