the epicenter of the international crisis.国际危机的中心The point on the earth's surface directly above is called the epicenter.地表上直接对着震源的那一点称为震中.It is a mystery how he located the epicenter.他是怎样测定震中的还是个谜.At the end of the...
我们很想知道壁内的拉应力.We would like to know the tensile stress in the wall.扁桃腺: 咽喉壁内的淋巴组织小团.Tonsil: Small mass of lymphoid tissue in the wall of the pharynx....