他死于劳累过度引起的心脏病发作。He died of a heart attack brought on by overwork.他可能会因为劳累过度而英年早逝。He might burn himself out and go to an early grave.黑格注意到了他“看上去消瘦，非常劳累”的样子。Haig noted how he "looked pinched and rather tired"....
This paper introduces the classification of the faults of BELLCO dialyzer and the methods offaults.本文叙述了意大利产贝尔克血透仪的故障类型及维修方法.Objective To decrease the formalin content in the reused dialyzer and reduce the patients'...