carrier pigeon
US /ˈkær.i.ər ˌpɪdʒ.ɪn/
UK /ˈkær.i.ə ˈpɪdʒ.ɪn/
名词
信鸽
a pigeon trained to carry messages
示例:
•
During the war, carrier pigeons were used to send secret messages.
战争期间，信鸽被用来传递秘密信息。
•
The old man kept a flock of carrier pigeons on his rooftop.
老人屋顶上养了一群信鸽。