porcine aortic valve

例句：

1. 1. Theporcine carcass was found inthe river.
   在河里发现了一头猪的尸体。
2. 2. The piglet is a cute littlecreature.
   小猪是个可爱的小动物。
3. 3. Pigsare an important source of meat and dairyproducts.
   猪是重要的肉类和乳制品来源。