verb🔗Share希薄にする, 薄めるTo make rare, thin, porous, or less dense"As the hikers climbed higher up the mountain, the air began to rarefy, making it difficult to breathe. "ハイカーが山を登るにつれて、空気は希薄になり始め、呼吸が困難になりました。physicschemistrymaterialenvironmentscienceChat with AIVocabulary GamePractice Reading
verb🔗Share希薄にする, 薄めるTo expand or enlarge without adding any new portion of matter to."As the air rises, it begins to rarefy, making it harder to breathe at higher altitudes. "空気が上昇すると希薄になり始め、高高度では呼吸が困難になります。physicssciencematerialsubstanceChat with AIVocabulary GamePractice Reading
