【简答题】Soon it was time for my friend to take Jack for walk.英译汉
【简答题】英译汉:Jack is from Mexico.
【简答题】m 是一个取定的,证明:在任取 m +1 个整数中,至少有两个整数,它们的差是 m 的整数倍。
【判断题】当轴上有两个以上键槽时,槽宽应尽可能相同,并成180°对称布置,以利于轴受力均匀。
【判断题】当轴上有两个以上 的键槽时,槽宽应尽可能相同 ,并布置在同一方向上 。
【简答题】Jack works harder than before.英译汉
【判断题】当轴上有两个以上键槽时,槽宽应尽可能相同并布置在同一母线上,目的是便于加工。
【简答题】Because of his carelessness, Jack hit his car into a big tree by the roadside.英译汉
【简答题】Jack and Tom have worked in the same company for ten years.英译汉