相关单词近義詞 unpolluted 未受汙染的, pure 純的, clean 乾淨的, unadulterated 無攙襍的, antiseptic 殺菌劑, sterilized 無菌的, germ-free 無菌的, untainted 無汙點的, uncorrupted 未腐敗的, undamaged 未受損傷的反義詞contaminated, 受汙染的臨近詞UN, unknot 返回 uncontaminated