英语词汇“pyroclastic rock”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pyroclastic rock
释义	DictionarySeepyroclastic pyroclastic rock pyroclastic rock [¦pī·rə¦klas·tik ′räk] (petrology) A rock that is composed of fragmented volcanic products ejected from volcanoes in explosive events.
随便看	border ecology project bordered borderedly bordered on bordered on it bordered pit bordered upon bordered upon it border element border enforcement & security task force border environmental commerce alliance border environmental health initiative border environmental technology resource center border environment cooperation commission border environment infrastructure fund border epidemiologic study of aging border epidemiology and environmental health center borderer borderers border evangelism and mercy ministries border facies border facilitation working group border fancy canary club border fibrils border field state park

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