现在经济开发区怎样了?How is the economic development zone going on?城市的这一部分已被划为重新开发区.This part of the city has been zoned for redevelopment.该城已被定为开发区.The town has been designated ( as ) a development area....
缺镁会导致肌肉痉挛。A lack of magnesium causes muscles to go into spasm.镁是植物生长的营养要素.Magnesium is the nutrient element in plant growth.这水含有大量的镁.The water contains high amounts of magnesium....