common membranous crus

例句：

1. 1. The common membranous crus is a crucialpart of the immune system.
   共同膜状物是免疫系统中至关重要的一部分。
2. 2. The researchers foundthat the common membranous crus plays a vital role in disease resistance.
   研究人员发现，共同膜状物在疾病抵抗中起着至关重要的作用。
3. 3. The common membranous crus is responsible forfiltering out harmful substances from thebloodstream.
   共同膜状物负责从血液中过滤掉有害的物质。