main parachute

例句：

1. 1. The main parachute was deployed during the descent.
   降落过程中展开了主降落伞。
2. 2. The main chute is designed to slow the pilot down in case of an emergency.
   主降落伞设计用来在紧急情况下减缓飞行员的速度。
3. 3.The main chute is attached to the back of the plane, providing additional stability during landing.
   主降落伞安装在飞机的背部，提供着陆时额外的稳定性。