rarefy 过去式:rarefied 过去分词:rarefied 现在进行时:rarefying 词形变化: 形容词: rarefiable | 同义词: water | attenuate | subtilize | sublimate | 反义词: condense | 词义辨析: 同义参见: water 反义: vt.vi.(使)变稀薄 condense