hypovolaemia

例句：

1. 1. The patient's condition worsened after the surgery.
   手术后，患者的病情恶化了。
2. 2. The childwas diagnosed with hypoxemia due to a lung infection.
   由于肺部感染，这个孩子被诊断出患有低氧血症。
3. 3. Hypoxemia can lead to serious health complications ifleft untreated.
   如果不治疗，低氧血症可能会导致严重的健康并发症。