部屋の空気が冷たい

N5 部屋 heya room N4 空気 kuuki air, atmosphere, mood N5 冷たい tsumetai cold to touch, chilled

N3 部 bu / -be section, bureau, dept N4 屋 oku / ya roof, house, shop N4 空 kuu / sora, a.ku, a.ki, a.keru, kara, su.ku, su.kasu, muna.shii empty, sky, void N5 気 ki, ke / ki spirit, mind, air N3 冷 rei / tsume.tai, hi.eru, hi.ya, hi.yayaka, hi.yasu, hi.yakasu, sa.meru, sa.masu cool, cold (beer, person), chill

N5 〜たい tai Indicates speaker desire to perform an action, attaches to verb stem, equivalent to want to do something N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase