burn.out

n.（名詞）
A failure in a device attributable to burning, excessive heat, or friction.
燒毀，燒壞：由于燃燒、超高熱或摩擦引起的設備故障
Aerospace
【太空學】
The termination of rocket or jet-engine operation because of fuel exhaustion or shutoff.
停燒：火箭或噴射發(fā)動機因燃料耗盡或切斷而停止工作
The point at which this termination occurs.
停燒時刻：這種時期發(fā)生的時刻

Physical or emotional exhaustion, especially as a result of long-term stress or dissipation.
耗盡，精疲力盡：體力或感情的枯竭，特別指因長期壓抑或放蕩而造成的后果
One who is worn out physically or emotionally, as from long-term stress.
精疲力盡者：長期壓抑而使體力或感情耗盡的人