Control boom的用法和樣例：
例句
- Children play them on computers, using a joystick to control the weapons and movements they see on the computer screen.
孩子們在電腦上玩這些遊戲，用控制桿控制電腦屏幕上出現的武器和動作。 - Their power was also increased by introducing a control rod which moved up and down with the beam.
因為增加了一根隨著吊杆上下移動的控制桿，發動機的功率也增大了。
