precipitated
[prɪ'sɪpɪteɪtɪd]
v.
（突如其来地）使发生( precipitate的过去式和过去分词 );
促成;
猛然摔下;
使沉淀;
例句:
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The killings in Vilnius have precipitated the worst crisis yet.
维尔纽斯的几起谋杀事件导致了迄今为止最严重的危机。
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His resignation precipitated a leadership crisis.
他的辞职立即引发了领导层的危机。
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He lost his footing and was precipitated to the ground.
他失足摔倒在地上.
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The attacks precipitated a major Yugoslav military crackdown.
来自BBC
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These were precipitated directly from water-rich molten rock as it cooled.
来自BBC
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I think I may have missed what precipitated it, though.
来自NEWYORKER