单词

字典词典单词成语造句名言诗词古籍小说

convex

英 ['kɒnveks] 美 ['kɑnvɛks]

adj. 凸面的；凸圆的
n. 凸面体；凸状

双语例句

1. I wouldn't say your stomach was big — it's just slightly convex.: 我不会说你的肚子大——它只是有点凸出.

2. Its convex border should project far into the right lower lung field.: 其凸出缘应深深地突入右下肺野内.

3. A convex lens is used to concentrate rays of light.: 凸透镜用于聚集光线.

4. Alternative characterization of concave and convex functions which is sometimes useful.: 对于凹函数和凸函数还有一个替补的表征,有时它是有用的.

5. In adults its contour may be straight, slightly concave or slightly convex.: 成人肺其形状可以是直的, 轻微凹下或轻度突出.