雄性雷射鸟在求爱时会同时利用这两种信号模式。

The male riflebird exploits both of these modes of signaling simultaneously in his courtship display.

youdao

雄性雷射鸟在求爱时会同时利用这两种信号模式。

The male riflebird exploits both of these modes of signaling simultaneously in his courtship display.

youdao