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- Definition : A strophoid of a circle with the pole O at the centre of the circle and the fixed point P on the circumference of the circle. 定义:在圆上的环索线,以圆心为极点,圆周上的一点为固定点,所作出的图形!
- The axis of a circle is its diameter. 圆的轴线是其直径。
- The Munroe girls rushed up to exclaim over her dress, and she was speedily the centre of a circle of voices that rose higher and higher in efforts to be heard above the din. 曼罗家的姑娘们冲上来夸她的衣服,她很快就被人围了一圈,成了这些人谈话的中心,而且话音越来越高,努力想压过喧闹声而使人能够听见。
- The reciprocal of the radius of a circle. 曲率一个圆半径的倒数
- There is a big stone in the centre of a peach. 桃子中心有一个大核儿。
- The diameter and the circumference of a circle. 圆的直径和圆周相关联。
- Tell the names of each part of a circle. 说出圆各部分的名称。
- He should have been the sun of a circle. 他本应该做一个周而复始的太阳。
- Almost all the balls follow the shape of a circle. 几乎所有球类都呈圆形。
- Circumference:The boundary line of a circle. 圆周:一个圆的边界线.
- A diameter passes through the center of a circle. 直径从圆心穿过。
- The Prime Minister is at the centre of a political row over leaked Cabinet documents. 首相是内阁文件泄密政治纠纷的中心人物。
- The train line runs in a circle, circuiting the centre of the city. 列车线路是一条环线,绕着城市的中心环行一圈。
- Teacher: What is the perimeter of a circle? 师:什么是圆的周长?
- Any two diameters of a circle intersect each other. 圆周内两直径必相交。
- Now he twisted himself into a circle, then stretched himself out on the ground like the trunk of a fallen tree. 它先把身子缩成一团,然后又申长,活象一截伐倒在地的树桩。
- Now she was the centre of a little illumination of her own. 现在她正处于愉快的心情之中。
- He has a flat in the centre of town. 在市中心他有一套单元房。
- In the centre of the cell, in a circle traced with a fragment of plaster detached from the wall, sat a man whose tattered garments scarcely covered him. 在这个地牢的中央,有一个用从墙壁上挖下来的石灰画成的圆圈,圆圈里坐着一个人,他的衣服已成了碎布条,难以遮住身体了。
- He have buy a shoe shop in the centre of town. 他在市镇中心买下一个鞋店。