1. The airplane's ejector seat saved the pilot's life during the emergency.
飞机上的弹射座椅在紧急情况下拯救了飞行员的生命。

2. The vacuum cleaner has a built-in dustbin with an automatic ejector for easy emptying.
这台吸尘器内置了一个带有自动弹出装置的垃圾箱，便于清空。