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英语单词“arc”的意思是：弧形物；弓形物；弧；弯路；弯道；电弧。读音为英 [ɑːk] 美 [ɑːrk]。例句如下：
1. The arc of the sunflowers followed the line of the horizon.
2. A shock of static electricity arced between them.
3. She had been drawn to the arc of his smile.
4. A sudden gust of wind sent a spark arcing through the air.
5. The fire burned in an arc on the ground.
6. The arc of the fireball expanded rapidly.
7. A red arc appeared in the sky and then quickly faded away.
8. The ball of fire traveled in an arc across the sky.
9. A sizzling arc of electricity leaped from the battery to the ground.
10. A giant arc of flame roared up into the sky from the burning building.
在日常生活和科学领域，“arc”一词经常被使用。例如，在物理实验中，电弧可以用来连接两个电极，而在天文学中，流星划过天空的轨迹可以近似地看作是一个弧线。此外，“arc”也可以用来描述艺术品或建筑中的弧形结构，如太阳花束的弧线，或者建筑物的弧形屋顶。总之，“arc”是一个非常常见的英语单词，用途广泛，描述了许多不同的现象和物体。
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