n.反作用力；反对势力；核子武器还击

The counterforce of the spring pushed the piston back up.
弹簧的反作用力将活塞推回原位。

In a nuclear exchange, counterforce targeting would aim to destroy an adversary's nuclear arsenal.
在核交战中，反作用力目标设定会旨在摧毁对手的核武库。

The counterforce of water against the hull caused the ship to slow down.
水对船壳的反作用力使船减速。

The government's counterforce to the economic downturn was a stimulus package.
政府对经济衰退的应对措施是刺激计划。

The counterforce of the wind against the sail propelled the boat forward.
风对帆的反作用力推动船只前进。

The counterforce of public opinion forced the government to change its policy.
公众舆论的反作用力迫使政府改变其政策。

The counterforce of the rubber band sent the toy flying across the room.
橡皮筋的反作用力把玩具射向了房间的另一侧。

The counterforce of the magnetic field caused the compass needle to align itself.
磁场的反作用力使指南针针指向正确方向。

The counterforce of the parachute slowed the descent of the skydiver.
降落伞的反作用力减缓了跳伞者的下降速度。

The counterforce of the explosion threw debris in all directions.
爆炸的反作用力使碎片四散。