chaffinch

Thorpe next set out to determine exactly when the chaffinch learns to sing.

接着,索普就开始研究苍头燕雀是在什么时候学唱歌的.

辞典例句

The chaffinch has three or four songs and produces them in a specific order.

苍头燕雀合唱三、四种歌,唱的时候按着一定的先后次序.

辞典例句