lutecium

例句：

1. 1. The canary was singing a beautiful song in the bird cage.
   金丝雀在鸟笼里唱着一首美妙的歌曲。
2. 2. The siskin is known for its distinctive black and white plumage.
   这种鸟以其独特的黑白羽毛而闻名。
3. 3.The canary's bright yellow color is a good indicator of its health.
   金丝雀明亮的黄色是其健康状况的一个好指标。