dog's-ear

例句：

1. 1.The dog's ears twitched as it heard the sound of the car approaching.
   当狗听到汽车的声音时，它的耳朵抖动起来。
2. 2. She had a dog's ear for music; she could tell you about every song on the radio.
   她对音乐有天赋；她能告诉你收音机上每一首歌。
3. 3. The dog's tail wagged excitedly as he saw his owner coming home.
   当他看到主人回家时，狗的尾巴兴奋地摇动着。