名词
中文翻译：初次喷发
同义词：
['initial explosion', 'initial outburst']
例句：
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1.The volcano had an initial eruption of lava from its summit.
这座火山从山顶喷出了熔岩的初次喷发。
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2. The earthquake caused an initial eruption of tremors in the city.
地震引发了城市最初的震动。
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3. The scientists detected a preliminary indication of an initial eruptionin the region.
科学家们探测到了该地区初次喷发的初步迹象。