(1)規則的に拡大し収縮する
(2)リズミカルに打たれる
(3)expand and contract rhythmically; beat rhythmically; "The baby's heart was pulsating again after the surgeon massaged it"
さらに詳しく
(1)切妻屋根の傾斜した端の間の縦の三角形の壁
(2)the vertical triangular wall between the sloping ends of gable roof
