相關(guān)單詞近義詞 unpolluted 未受污染的, pure 純的, clean 干凈的, unadulterated 無攙雜的, antiseptic 殺菌劑, sterilized 無菌的, germ-free 無菌的, untainted 無污點的, uncorrupted 未腐敗的, undamaged 未受損傷的反義詞contaminated, 受污染的臨近詞UN, unknot 返回 uncontaminated