I undid the bottom two buttons of my yellow and grey shirt.我解开了自己黄灰相间的衬衫上最下面的两个纽扣。He was a tall, thin man with grey hair.他是个瘦高个，头发灰白。At one point last week shares in the grey market touched 230p.上周，灰市上的股票价格一度高达230便士。...
Serum bilirubin levels are elevated.血清胆红素是高的.The amount of bilirubin manufactured directly relates to the quantity of blood cells destroyed.胆红素产生数量与经细胞破坏的数量直接有关.Objective To study the changes of plasma bilirubin level in...