He is a gluttonous and lazy guy.他是个好吃懒做之徒.In the 1980 s and 1990 s they developed a reputation for gluttonous excess.在上个世纪80和90年代它们得到了过于贪婪的名声.I now but gluttonous, how be to return a responsibility?我现在可贪吃了, 是怎么回事 啊 ?...
即使是在这种情况下,运动方程也是不能精确积分的.Even in this case the equations of motion cannot be integrated exactly.这几乎省去求解积分的一半劳动.This cuts the labor of evaluating integrals almost in half.我们可利用积分的可加性.We can use the additive property of the...