现在的他四肢麻痹，只能呆在轮椅上。He is now quadriplegic and confined to a wheelchair.他走路时一瘸一拐的，那是小儿麻痹的后遗症。He dragged a foot when he walked, a leftover from polio.我们被一种虚假的安全感所麻痹，急切地等着他们回来。Lulled into a false sense of security, we eagerly...
对于任意的截面, 比值Mp/My叫做形状系数.For any section, the ratio Mp / My is called the shape factor.控制单元的形状是任意的.The shape of the control box is arbitrary.如果它们是可见的, 就可以被动态地放到5个任意的位置之一.If they are visible, they can be dynamically positio...