So lean back, stretch out your legs.

所以大家可以向后仰，伸展伸展身体。

He watched as the dragon stepped back, stretching itself to its full height.

他看着巨龙向后退去，将自己伸展到最大的高度。

All the proofs arose before her at once; her heart leapt. The flame of the fire threw a joyous light upon the ceiling; she turned on her back, stretching out her arms.

所有的证据同时都摆在面前，她的心怦怦跳了。 壁炉里的火焰在天花板上投下了一片红光，欢欢喜喜，哆哆嗦嗦；她转过身去，伸直了胳膊。

It's very easy and it takes about a minute and a half you just do 30 seconds like this with your neck leaned back stretching the front and then 30 seconds to one side and 30 seconds to the other side.

这很容易，大约需要一分半钟，你只需像这样做 30 秒，脖子向后倾斜，向前伸展，然后向一侧伸展 30 秒，向另一侧伸展 30 秒。