外耳

例句：

1. 1. The doctor advised him to keep his ears clean and dry.
   医生建议他保持耳朵清洁干燥。
2. 2. She was able to hear the distant sound of the ocean waves.
   她能够听到远处的海浪声。
3. 3.The musician carefully placed his instrument on the table.
   音乐家小心翼翼地将乐器放在桌子上。