ゆうせんとりくみぶっしつ 優先取組物質 LinksSentence search for 優先取組物質Sentence search for ゆうせんとりくみぶっしつSentence search for 優先取り組み物質Kanji details for 優, 先, 取, 組, 物 and 質Edit in JMdict Noun1. substances requiring priority action (with regard to environmental issues); priority substanceOther forms優先取り組み物質 【ゆうせんとりくみぶっしつ】 Discussions Log in to talk about this word.