The helicopter made a slow arc, passing over the mound but not stopping.

这架直升飞机做了一个缓慢的弧线运行，飞过那座小丘，但没停下来。

《柯林斯英汉双解大词典》

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One of his early programs was a history show where he questioned actors playing people like Aristotle and Joan of Arc.

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This is titanium sponge that comes out of the bottom of this reactor, and it subsequently re-melted in a vacuum arc furnace.

海绵状的钛,从反应器的底部出来，随后在真空炉中重新熔炼。

麻省理工公开课 - 固态化学导论课程节选

Beyond the picturesque locale and its beautiful subjects, the shots were a revealing arc in a much-publicized love story.

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She allows her hair to be teased into a lofty blond arc, a sort of cotton-candy diadem, and her speech, with training, gets heavier and slower, the emphasis landing on selected, morally significant syllables like a hammer hitting an anvil.

NEWYORKER: The Iron Lady

But that is not the case for many cities that have risen, often anarchically, on a coastal arc from China to the Arabian Sea, luring millions in search of a better life.

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