sources

词形变化：

动词过去式: sourced | 动词过去分词: sourced | 动词现在分词: sourcing | 动词第三人称单数: sources |

同义词：

basis | origin | informant | beginning | root | derivation | foundation | spokesperson | resource | supply | upwelling | fount | obtain | find | track down | trace | track | locate | seed | conception | parent | fountain | seat | connection | occasion | original | well | reservoir | author | generator | germ | reference | rootage |

反义词：

sink |