noun ダウンロード 🔗共有 縦材 A vertical bar between the panes of glass or casements of a window or the panels of a screen. Examples : "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。 architecture building part AIとチャット語彙ゲーム読解練習