impurity杂质: impurity; foreign substance; ...不: a block of wood纯: pure; unmixed不纯，杂质: impurity不纯: impureness; impurity下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:杂质，不纯，即可在微信中查询翻译
