loon

例句：

1. 1. The loon was singing a beautiful song in the clear water.
   独木舟在清澈的水里唱着美妙的歌曲。
2. 2. The fisherman used a loon to guide his boat.
   渔民用独木舟来引导他的船。
3. 3. The loon was swimming in the river, enjoying the cool water.
   独木舟在河里游泳，享受凉爽的水。