sickness symptom

例句：

1. 1. She felt a sudden onset ofnausea and vomited.
   她突然感到恶心并呕吐了。
2. 2. The patientwas diagnosed with a serious illness.
   病人被诊断出患有严重的疾病。
3. 3. Hewas bedridden forweeks due to his chronic illness.
   他因慢性疾病卧床数周。