我们全家和所有的亲戚都来参加祖父的八十岁寿宴.All our family came to our grandfather's eightieth birthday party.他虽有八十岁了, 但仍然充满了活力.Although he is eighty, he is still very much alive.他祖父现在一定快八十岁了.His grandfather must now be getting on for e...
He had an angular face with prominent cheekbones.他的脸棱角分明，颧骨突出。That is, the angular velocity is more than doubled.即所得的末角速度大于原来的二倍.In undisturbed inertial motion, the angular momentum is constant.在无扰动惯性运动中, 角动量是恒定的....
She twisted her head sideways and looked towards the door.她侧头朝门看去。Alfred shot him a sideways glance.艾尔弗雷德斜眼瞥了他一下。He was knocked sideways by the result.结果让他大为吃惊。...