n.投弹描准器
The member of a combat aircraft crew who operates the bombsight and drops the bombs. 轰炸员，投弹手战机上操纵轰炸瞄准器和投弹的人员
The bombardier was entitled to believe he was over the target even though he did not know how the bombsight was constructed. 投弹手有资格相信他对准了目标，即使他不知道瞄准器是如何构造的。
the member of a bomber crew responsible for using the bombsight and releasing the bombs on the target. 轰炸机编队中负责运用轰炸瞄准器和投弹击中目标的轰炸员。
the member of a combat aircraft crew who operates the bombsight and drops the bombs 轰炸员，投弹手，战机上操纵轰炸瞄准器和投弹的人员
synchronous bombsight 同步轰炸瞄准具
