当然, 坐标系 ( x, y, z ) 轴向的选择是任意的.The choice of orientation of the ( x, y, z ) coordinate system is, of course, quite arbitrary.除此之外, 具有曲线型齿线之齿轮在运转时亦不会产生轴向的推力.Moreover, a gear pair with curvilinear - tooth traces operates wi...
He brushed the snow off the windshield.他刮掉了挡风玻璃上的雪。They drove home with their windshield wipers going whoosh whoosh.他们驱车回家，一路上挡风玻璃上的雨刮器不停地呼呼刮着。Fuck the squeegee men dirtying up the clean windshield of my car.操那些擦玻璃的,把我干净...
She now also does pottery classes at a community centre.她现在还在社区中心上陶艺课。pottery that is datable to the second century可确定产于二世纪的陶器The plastic arts include sculpture, pottery and painting.造型艺术包括雕塑、陶艺和绘画。...