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单词简介

详解与例句

相关短语

同义词

反义词

	名词 n. 河的源头；水源
	place where a river starts
	· Where is the source of the Thames? 泰晤士河源出何处？ · Where does the Yellow River take its source? 黄河发源地在哪里？
	名词 n. 根源；来源
	place where something comes from
	· We have the news from a reliable source. 我们从可靠方面得到了这个消息。

a source of information

	n. 根源；来源
		beginning derivation origin root

	n. 结果；结束
		effect end