其他常见病因包括接触过量的噪音、头部和耳朵受伤、衰老和服用耳毒性药物。
Other common causes include exposure to excessive noise, head and ear injury, ageing and the use of ototoxic drugs.
机舱起火会产生具有高浓度和高毒性的烟雾，因此要捂住口鼻防止吸入过量烟雾。
The smoke in an airplane fire can be very thick and highly toxic, so cover your nose and mouth with a cloth to avoid breathing it in.
患者在服用某些药物时，经常被警告不要与柚子汁一起服用，因为这样会使正常剂量的药物转变为过量的毒性剂量。
Patients often are warned against taking certain pills with grapefruit juice, which can turn normal doses of a drug into a toxic overdose.
应用推荐