Objective To know and master the charater of the genesis and development and epidemic of flourine poisoning.
目的了解和掌握黔南毒的发生、发展及流行特征。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
They were poisoned because they ate vegetation that had been contaminated with fluorine as a result of the volcanic fallout.
它，它火山沉降物而被氟污染的植物。
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详细解释
毒的发生、发展及流行特征。
，
它
