Construct an animation showing the tangent sweeping out the interior of astroid.建构一动态绘图:展示星状线的切线所有扫掠过的内部轨迹.Construct rotating cardioid and astroid while remaining orthogonal to each other.作旋转的心脏线和旋转的星状线,且彼此维持正交.Construct...
In production, will the dividers be varnished?在生产, 将分隔的上光?Dividers that keep the files from jumBling.使档案免于混淆的分类卡.The bookcases that do duty as room dividers are bought from the same store.作为分隔房间的墙壁用的书柜购自同一商店....room divi...
The old man is still hale and hearty.老人的身体还挺硬棒.He is eighty, but still hale and hearty.他年已八旬, 但仍老当益壮.Hale received a salary of forty - five dollars a week.海尔先生每星期45元薪水....
In fact I am not interested in matinee show.事实上,我对日场并不感兴趣.I have ticket reserved for today's matinee.预订了今天白天的戏票." I've been to the matinee this afternoon. "" 我今天下午去看过戏了. ”...