The iliac crest is a common source for autologous bone graft.髂嵴是常用的自体取骨来源.Still bore the family arms, and had for his crest a cock argent.他仍然带着家传的武器, 头盔上饰有一只银鸡.Their new outpost was on the crest of a hill.他们新的前哨阵地设在一座小山包...
On the wall is the family crest.墙上挂着那个家族的饰章。surfers riding the crest of the wave正在浪峰上冲浪的运动员Be modest when you are on the crest of the wave.在最得意的时候要谦虚....
水的碱性是它中和酸的能力的一种量度.The alkalinity of water is a measure of its capacity to neutralize acids.解酸的, 抗酸的,防酸的,中和酸的消除或中和酸度的, 尤其胃酸.A substance , such as magnesia or sodium bicarbonate, that neutralizes acid.苏打属于弱碱性, 这样就可以中和酸和分解蛋...