|
|
꽃 빗살
|
|
 |
pyGQCAWdKRIa |
 |
376 |
|
 |
| Would you like a receipt? http://tube8.in.net/ tube8.com Snakebots can be used to conduct surgery, inspect small places, and even rescue a cat from a tree (researchers at Carnegie Mellon University have developed snakebots that, when thrown, quickly wrap around tree limbs and lampposts). |
|
 |
Taylor |
 |
2020-01-12 06:57:10 |
|
|
|
|
|
|
|
|
|
