oink

例句：

1. 3.
   动物
2. 1. The cow mooed loudly as it walked by the fence.
   奶牛走过围栏时大声哞叫。
3. 2. The baby goat baaed and played in the field.
   小山羊在田野里发出咕咕声并玩耍。
4. 3.The sheep were baaing and mooing at the sound of a distant truck.
   羊群听到远处卡车的声音后开始哞哞叫和咩咩叫。