Some slight incident may touch off a major war.

一件小事可以触发一场大战.

《现代汉英综合大词典》

You may touch off a firestorm quite innocently, so be careful then.

你有可能无辜地触发一场风暴火, 所以千万要注意了.

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A surprise disruption in oil supplies also could touch off a rally.

出人意料的石油供应中断也可能会触发油价上涨.

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The artist had only time to touch off the mountain as the train stopped for refreshments.

火车停下来让旅客买点心吃,这时画家只来得及把那座山草草地勾勒出来.

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In the old days, soldiers used a flaming piece of wood to touch off the gun.

过去, 士兵们用一片燃烧的木头来发射大炮.

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Using electron switch touch off cross zero , thus deferent electron sine wave is intact.

用双向晶闸管作为电子开关,双向晶闸管过零触发, 因而输出的是完整的正弦波.

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