1. Patients with hypoxemic respiratory failure may require supplemental oxygen therapy.
缺氧性呼吸衰竭的患者可能需要辅助输氧治疗。

2. Hypoxemic events can be caused by various factors, such as high altitude or lung diseases.
缺氧事件可能由各种因素引起，例如高海拔或肺部疾病。