您要查找的是不是：
- elliptical planar crack 椭圆片状裂纹
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- The Earth's path round the sun is elliptical. 地球绕太阳的轨道是椭圆形的。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- A planar region bounded by a circle. 圆形区，圆形空间被圆所包围的一个平面区域
- You'll crack up if you go on working so hard. 你继续这样拚命干下去，身体会吃不消的。
- Have another crack at solving this puzzle. 再试一试把这个难题解决了吧。
- She made a crack about his fatness. 她取笑他肥胖。
- There is a crack in this window. 这扇窗户上有个裂纹。
- She got up at the crack of dawn. 天刚亮她便起床了。
- An elliptical track, as for racing or athletic events. 椭圆形跑道如用于比赛或运动项目的椭圆形跑道
- Mary found knitting a hard nut to crack. 玛丽发现编织并非易事。
- He was the tough guy, the big shot, who gave orders with the crack of a whip. 他是个威风凛凛发号施令的强悍的家伙，是个大人物。
- I'd do anything to see you crack a smile. 为了博得你的一笑，我情愿做任何事。
- Her foot wedged in the narrow crack. 她的脚卡在那狭缝里了。
- Close examination revealed a crack in the vase. 花瓶经仔细检查发现有裂缝。
- It was then a hard nut to crack. 在那时是一桩很棘手的事。
- It was then a tough nut to crack. 在那时是一桩很棘手的事。
- You can offset lines, arcs, circles, 2D polylines, ellipses, elliptical arcs, xlines, rays, and planar splines. 检查你所偏移的是否是以上OBJECTS;或者偏移距离是否过大.
