burnout
US /ˈbɝːn.aʊt/
UK /ˈbɝːn.aʊt/

1.
2.
燃料耗尽, 发动机停止点
the point at which a rocket or jet engine stops functioning because all its fuel has been used
:
•
The spacecraft reached burnout of its first stage.
飞船达到了第一级的燃料耗尽点。
•
After burnout, the spent stage separated from the main rocket.
燃料耗尽后,废弃的级段与主火箭分离。