n.下降，散开，分开

The light's falloff was noticeable as it reached the edge of the room.
灯光在房间边缘处的衰减非常明显。
The signal strength showed a steep falloff after passing through the wall.
信号强度穿过墙壁后急剧下降。
The company experienced a significant falloff in sales during the recession.
公司在经济衰退期间经历了销售量的大幅下滑。
With distance, the sound of the waterfall gradually showed a falloff.
随着距离的增加，瀑布的声音逐渐减弱。
The battery's power output exhibits a noticeable falloff after prolonged use.
电池在长时间使用后，其电力输出明显下降。
As altitude increases, atmospheric pressure experiences a steady falloff.
随着海拔升高，大气压力呈现出稳定下降的趋势。
There was a sharp falloff in customer traffic after the store raised its prices.
商店提高价格后，顾客流量骤然减少。
The musician adjusted the volume to compensate for the natural falloff of sound.
音乐家调整音量以弥补声音的自然衰减。
The scientist observed a gradual falloff in radiation levels beyond the contaminated area.
科学家观察到辐射水平在污染区域之外逐渐下降。
The athlete's stamina showed no sign of falloff even towards the end of the marathon.
即使在马拉松接近尾声时，运动员的耐力也没有显示出任何下降的迹象。