国产成人自拍av_国产精品18久久久久久久_国产精品久久久久无码av_青青草原综合久久大伊人精品_蜜桃视频一区二区三区_国产黄色小视频

radius

英 ['re?d??s] 美['red??s]
  • n. 半径,半径范围;[解剖] 桡骨;辐射光线;有效航程
  • n. (Radius)人名;(意、印尼)拉迪乌斯;(英)雷迪厄斯;(法)拉迪于斯

CET6TEM4CET4IELTSGRE考研低频词常用词汇

词态变化


复数:?radii;

中文词源


radius 半径

rad-,半径,根,-us,阳性格。

英文词源


radius (n.)
1590s, "cross-shaft," from Latin radius "staff, stake, rod; spoke of a wheel; ray of light, beam of light; radius of a circle," of unknown origin. Perhaps related to radix "root," but Tucker suggests connection to Sanskrit vardhate "rises, makes grow," via root *neredh- "rise, out, extend forth;" or else Greek ardis "sharp point."

The geometric sense first recorded 1610s. Plural is radii. Meaning "circular area of defined distance around some place" is attested from 1953. Meaning "shorter bone of the forearm" is from 1610s in English (the Latin word had been used thus by the Romans).

双语例句


1. Nigel has searched for work in a ten-mile radius around his home.
奈杰尔一直在他家周围10英里的范围内找工作。

来自柯林斯例句

2. They deliver to within a 5-mile radius of the store.
他们在距离商场5英里的范围内送货上门。

来自《权威词典》

3. He has visited every shop within a radius of two miles.
周围两英里以内的店铺他都去过.

来自《简明英汉词典》

4. We are measuring the radius of the circle.
我们正在测量圆的半径.

来自《简明英汉词典》

5. A special load balancing server designed for solving this problem can manage multi RADIUS servers.
设计了一个专门的负载平衡服务器,调度多个RADIUS服务器,使得各个服务器的负载达到均衡.

来自互联网

主站蜘蛛池模板: 亚洲成人av一区二区 | 日韩精品视频专区 | 国产一区二区三区在线免费 | 在线观看人成 | 污视频网站入口 | 国产精品一区二区三区免费在线观看 | 免费亚洲精品 | 国产一级片在线 | 久草福利 | 91精品中文字幕一区二区三区 | 欧美日韩精品一区二区天天拍小说 | 天堂vs亚洲 | 亚洲精品在线免费观看视频 | 亚洲精品在线免费观看视频 | 97精品无人区乱码在线观看 | 91视频在线免费观看 | 99精品久久久国产一区二区三 | 九九热免费在线视频 | 国产欧美日韩一区二区在线 | 91精品久久久久久久久入口 | 亚洲国产激情 | 97热在线观看 | 国产成人午夜精品影院游乐网 | 亚洲精品美女久久 | 国产欧美一区二区三区免费视频 | 国产欧美精品区一区二区三区 | 99久精品| 91精品久久久久久久久入口 | 亚洲视频www | 亚洲免费视频在线观看 | www.国产精品.com | 千人斩欧美图区 | www,99 | 99久久婷婷国产综合精品免费 | 99热精品免费| 91成人看片| 日韩精品成人免费视频 | 日日舔夜夜操 | 免费观看男女啪啪乱淫播放 | 国产成人午夜精品影院游乐网 | 午夜久久久久久久久久一区二区 |