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游戲，用控制桿控制電腦屏幕上出現的武器和動(dòng)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(zhù)吊桿上下移動(dòng)的控制桿，發(fā)動(dòng)機的功率也增大了。
