homing pigeon
US /ˈhoʊmɪŋ ˌpɪdʒɪn/
UK /ˈhoʊmɪŋ ˌpɪdʒɪn/

名词
1.
信鸽
a pigeon trained to find its way home over long distances, used for carrying messages
示例:
•
The general sent a message by homing pigeon.
将军用信鸽发送了一条消息。
•
They used homing pigeons during the war to send secret communications.
他们在战争期间使用信鸽发送秘密通讯。
同义词:
在 Lingoland 学习这个单词