拉维奇在漆黑, 冰冷的楼梯间,一直哭号着.Ravitch persistently cried in the black, frozen staircase.威廉·拉维奇医生说窒息可以引起昏厥, 这种情况称为血管迷走神经性昏厥.William Ravich said choking can cause a person to faint, an occurrence known as vasovagal syncope.那不勒斯体育主管...
风险不可能完全消除,但可以通过防范和培训来降低。You could never eliminate risk, but preparation and training could attenuate it.公司在降低成本方面付出了艰苦卓绝的努力。The company has made heroic efforts at cost reduction.抑郁症会降低人体对疾病的抵抗力。Depression lowers the huma...