arc

[ɑ:k]

n.弧, 弧形物
vi.形成电弧,按弧形轨迹行进

例句与用法：

Joan of Arc was burnt (alive) at the stake.

圣女贞德在火刑柱上被(活活)烧死。

The stick of carbon is often used in an electric arc lamp.

碳精棒常用于电弧灯。

Joan of Arc was made a saint in 1920.

1920年，贞德被追封为圣女。

Joan of Arc was one of France's greatest daughters.

圣女贞德是法国最伟大的女性之一。

The sun appears to move in an arc across the sky.

太阳看起来在天空以弧线运行。

词形变化：

动词过去式: arced/arcked | 动词过去分词: arced/arcked | 动词现在分词: arcing/arcking | 动词第三人称单数: arcs |

详细释义：

n.[C]

1. 弧, 弧形

An arc is a part of the circumference of a circle or other curved lines.

弧是圆周或曲线的一部分。

2. 电弧, 弧光

an arc lamp

弧光灯

3. 弧形物, 弓形物