Bursa subcutanea

例句：

1. 1. The doctor advised him to lose weight by eating less and exercising more.
   医生建议他通过少吃多运动来减肥。
2. 2.The patient's Bursa subcutanea was enlarged, indicating a possible infection.
   患者的皮下脂肪肿大，可能表示有感染。
3. 3. The researcher found that the Bursa subcutanea is an important factor influencing the immune system.
   研究者发现，皮下脂肪是影响免疫系统的一个重要因素。