humming-bird例句

Humming bird beats his wings almost 100 times per second.
蜂鸟每秒钟拍动翅膀近100次.

Bird's body size, there is also a small humming bird ostrich.
鸟的体型大小不一, 既有很小的蜂鸟也有巨大的鸵鸟.

This is a humming - bird moth.
这是蜂鸟科的天蛾.

• #humming-bird