乳にゅう質しつにゅうしつMeanings1nounmilk qualityRefers to the quality or properties of milk, often used in dairy, food science, or agricultural contexts.この地ち域いきの乳にゅう質しつは非ひ常じょうに高たかい。The milk quality in this region is very high.乳にゅう質しつ改かい善ぜんのために飼し料りょうを見み直なおした。We reviewed the feed to improve milk quality.