难检字字典在线查询

汉语拼音：tuǒ yuán xíng

椭圆 tuǒyuán 一种规则的卵形线;特指平面两定点

焦点

的距离之和为一常数的所有点的轨迹。

椭圆形 [tuǒ yuán xíng]

1. 扁圆、狭长的圆形。 

   【造句】橄榄球的形状是椭圆形的。

• The Romans, no doubt, had their Colosseum, but I doubt if even the Romans expected to be thrilled so continuously as we do nowadays.

  毋庸置疑，古罗马人是有椭圆形竞技场，不过我怀疑就连古罗马人是否也象我们如今这般要不间断地享受刺激。

• By the outer margin of the pit was an oval pond, and over it hung the attenuated skeleton of a chrome-yellow moon.

  在深谷的外侧边缘，有一个椭圆形的池塘，池塘上高悬着一勾朦胧昏黄的残月。

• The ellipsoidal kernel of this tree, either eaten as a NUT or used for extraction of an oil for flavoring.

  杏树果这种树的椭圆形果子，可作坚果食用或提炼调味油

• The long axes of the ellipsoidal shaped calcareous concretion reflected the direction of movement of mineralizing ground waters.

  椭圆形的钙质结核的长轴方向反映了地下矿化水的流动方向。

• Besides the dark dust, NGC 7049appears similar to a smooth elliptical galaxy, although featuring surprisingly few globular star clusters.

  除了暗黑尘埃，NGC7049则与平滑的椭圆形星系相似，尽管其具有令人吃惊的几个球状星团。

• As for public perceptions: I guess I'm unconvinced that the public has any idea how much time the Oval Office gives to things.

  至于公众的看法：我想，我不认为公众对椭圆形办公室在每件事上花多少时间有什么概念。

• Right across the door of the Oval Office is what was his former office, known as the Roosevelt Room.

  正确横跨椭圆形办公室的门是什么是他的前办公室，叫作罗斯福屋子。

• any of various games played with a ball (round or oval) in which two teams try to kick or carry or propel the ball into each other's goal.

  任何一种用球的运动（圆形或椭圆形）两队尽力去踢球或抢球。

• A warm breath and a rub on her pants later, a small black pebble, oval like a river rock, charred and smooth, was freed of ice.

  在她呵完热气，并在裤子上擦拭一番后，黑色小石子上的冰层就被除掉了，这块像河滩卵石一样的椭圆形石头已被烧焦，但表面很光滑。