The tail feathers are dark blue at their bases, shading to pale blue at their tips.

  • 尾羽的根部呈深蓝色,到了尾尖就渐变成淡蓝色。

  • 《柯林斯高阶英汉双解学习词典》 2025-01-18 11:09:08

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句