arc是什么意思_arc怎么读_中英文释义(含例句用法)

arc: arc: see arch
arc (n.): late 14c., originally in reference to the sun"s apparent motion in the sky, from Old French arc "bow, arch, vault" (12c.), from Latin arcus "a bow, arch," from PIE root *arku- "bowed, curved" (cognates: Gothic arhvazna "arrow," Old English earh, Old Norse ör; also, via notion of "supple, flexible," Greek arkeuthos, Latvian ercis "juniper," Russian rakita, Czech rokyta, Serbo-Croatian rakita "brittle willow"). Electrical sense is from 1821.
arc (v.): 1893, in the electrical sense, from arc (n.). Meaning "to move in an arc" attested by 1954. Related: Arced; arcing.

词态变化

第三人称单数 arcs;
过去式 arced;
过去分词 arced;
现在分词 arcing;

权威造句

1. A group of actors are rehearsing a play about Joan of Arc.: 一群演员正在排演一出关于圣女贞德的戏。

2. Joan of Arc was finally canonized by Pope Benedict XV in 1920.: 圣女贞德终于在1920年由教皇本尼狄克十五世封为圣徒。

3. His pass described a perfect arc through the leaden sky.: 他的传球在阴沉的天空中划出了一道完美的弧线。

4. the arc of a rainbow: 彩虹的弧形

5. Joan of Arc was burnt at the stake .: 圣女贞德被处以火刑。

近反义词

arch 拱

curve 曲线

bow 弓

semicircle 半圆

sweep 打扫

bend 弯曲

curvature 弯曲

swoop 抓取

swing 摇摆

swish 摆动或挥动某物出声...

electric arc 电弧

spark 闪烁

electric discharge 放电

discharge 排出

相似短语

arc brazing 电弧钎焊，电弧钎接，电弧铜焊

arc cathode 电弧阴极，弧光放电阴极

arc column 弧柱

arc control 消除火花，控制电弧

arc cosine 反余弦

arc cotangent 反余切

arc crest 弧形堰顶

arc detector 电弧检验器

arc end 引弧端

arc excitation 弧激发

单词分析

暂无,等待补充.

记忆方法

1、arc- => arc.

arc是什么意思，arc怎么读

arc基本信息

英英释义

中英词源