Sigmodon hispidus

例句：

1. 1.The Sigmodon hispidus is a popular breed of dog.
   长毛狗是一种受欢迎的狗品种。
2. 2. The Sigmodon hispidus has a thick, fluffy coat.
   长毛狗有厚厚的、蓬松的皮毛。
3. 3.The Sigmodon hispidus is known for its friendly and playful nature.
   长毛狗以其友好和活泼的天性而闻名。