noun🔗Share縦材A vertical bar between the panes of glass or casements of a window or the panels of a screen."The sunlight streamed through the window, highlighting the dust on the mullions that divided the glass panes. "太陽の光が窓から差し込み、ガラス窓を区切る縦材の埃を照らし出した。architecturebuildingpartChat with AIVocabulary GamePractice Reading
