發送短信 : Spider dragline silk as torsional actuator driven by humidity

 _    _     ______   ______    _    _             
| |  | ||  /_   _// |      \\ | || | ||   ____    
| |/\| ||   -| ||-  |  --  // | || | ||  |    \\  
|  /\  ||   _| ||_  |  --  \\ | \\_/ ||  | [] ||  
|_// \_||  /_____// |______//  \____//   |  __//  
`-`   `-`  `-----`  `------`    `---`    |_|`-`   
                                         `-`