火力减弱

例句：

1. 1. The strength of the rope is weakening with each passing day.
   绳子的强度随着时间的流逝正在减弱。
2. 2. The team's morale was weakening as they faced defeat.
   面对失败，队伍的士气正在减弱。
3. 3. The temperature is gradually weakening as the sun sets.
   随着太阳落山，温度逐渐降低。