noun ダウンロード 🔗共有 波面 An imaginary surface passing through points of a medium oscillating in phase. Examples : "As the ripple spread across the pond, the wavefront marked the leading edge where all the water particles moved upward together at the same moment. " さざ波が池全体に広がると、波面はすべての水粒子が同じ瞬間に一緒に上向きに動く最前線をマークしました。 physics sound technology energy signal phenomena AIとチャット語彙ゲーム読解練習