圆

• On both pins friction decreases with increasing twist .
  两种圆杆上摩擦都随纱线捻度的增加而减少。
• Let us draw the circle with center at o and radius equal to a .
  我们以点O为圆心，以a为半径，作圆。
• One quadrant of a circle contains all possible values of zxy .
  圆的四分之一包括了所在可能的Zxy值。
• Among such curves are the quadratrix invented by hippias .
  在这样的曲线中有希皮阿斯发明的割圆曲线。
• The moon's past its full .
  月圆已过。
• Her eyes grew large, her nostrils dilated, and her lips blanched .
  她双目圆睁，鼻翼扩大，嘴唇泛白。
• His face was round .
  他的脸是圆的。
• Sometimes the water spread like a sheen over the pebbly bed .
  有时河水泛流在圆石子的河床上，晶莹发光。
• She had a round and prominent bosom, full lips, perfect teeth .
  她的胸部圆圆臌起，嘴唇丰满，牙齿整齐。
• The world is round .
  地球是圆的。