众所周知，蜂鸟的翅膀拍打速度极快，它即可以凌空悬停，也可以快速向前飞行和向后飞行，其飞行的精准度甚至超过了直升机。

Hummingbirds are well known for their wing speed and ability to hover and fly forward and backward with more precision than a helicopter.

youdao

众所周知，蜂鸟的翅膀拍打速度极快，它即可以凌空悬停，也可以快速向前飞行和向后飞行，其飞行的精准度甚至超过了直升机。

Hummingbirds are well known for their wing speed and ability to hover and fly forward and backward with more precision than a helicopter.

youdao