convex

convex

英 ['kɒnveks]
　　美 ['kɑnvɛks]

adj. 凸面的；凸圓的
　　n. 凸面體；凸狀

中文詞源：

convex 凸透鏡

con-, 強調。-vex, 同-vect, 攜帶，移動，詞源同vector, vehicle. 即在拱頂匯集的，形成凸透鏡形狀的。

例句：

1. I wouldn't say your stomach was big — it's just slightly convex.
我不會說你的肚子大——它隻是有點凸出.

2. Its convex border should project far into the right lower lung field.
其凸出緣應深深地突入右下肺野內.

3. A convex lens is used to concentrate rays of light.
凸透鏡用於聚集光線.

4. Alternative characterization of concave and convex functions which is sometimes useful.
對於凹函數和凸函數還有一個替補的表征,有時它是有用的.

5. In adults its contour may be straight, slightly concave or slightly convex.
成人肺其形狀可以是直的, 輕微凹下或輕度突出.