A lack of magnesium causes muscles to go into spasm.缺镁会导致肌肉痉挛。Magnesium is the nutrient element in plant growth.镁是植物生长的营养要素.The water contains high amounts of magnesium.这水含有大量的镁....
Some green seaweeds such as enteromorpha flourished in spots.有一些绿色海草--如扁管海藻--东一片西一块地长得很好.The pyrolytic characteristics of two seaweeds were investigated by thermogravimetric analysis technique.采用热分析技术研究了两种海藻的热解特性.Soak th...
尼罗河在此处变宽，从两块花岗岩巨石间穿过。Here the Nile broadens out between the huge granite boulders.“好吧，”我边说边紧张不安地把香烟在花岗岩台阶上捻灭。"Well," I said, grinding my cigarette nervously into the granite step.这些塔楼是钢结构，花岗岩贴面。The towers are made of ste...