我们将脑素和大分子蛋白质从化学上结合起来,把它注射给豚鼠或兔.We inject guinea pigs or rabbits with enkephalins that are chemically coupled to large proteins.在豚鼠中,硫酸致死性至少为二氧化硫致死性的一百倍.H 2 SO 4 is at least 100 times as lethal as SO 2 in guinea pigs.南美洲豚...
...the lurid, crimson glow of the blast furnaces.鼓风炉里耀眼、通红的火光They cleverly hid small lumps of gold in their furnaces.他们狡猾地将小块金子藏在炼丹炉里.Used for corundum bricks, mullite bricks, silicate bricks masonry in blast furnaces, h...
沿海边的树木是很好的防风林.The woods along the coast provide a good windbreak.当然防风林是一种古老的农家措施.Windbreaks are an age - old farming strategy, of course.每年播种作物的轮种带可用作休耕带的防风林.Alternate strips planted to crops each year serve as windbreak...