1 文書を見つけるための辞書。

• song, call, birdcall, birdsong
• 鳥の鳴き声, 囀り, 鳴き声, さえずり
• the characteristic sound produced by a bird; "a bird will not learn its song unless it hears it at an early age"
• 鳥が出す特徴的な音