藤蔓电话亭的秘密

<p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">自然小课堂<br><br>� 植物传声：茎秆里的导管像吸管能传递振动<br><br>� 露珠话筒：水珠把声音聚拢，像喇叭花助听器<br><br>� 藤蔓网络：卷须会自己找朋友握手，连成电话线</p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;hyphens:auto;text-align:justify;" data-flag="normal"><img data-key="0" src="http://imagev2.xmcdn.com/storages/837d-audiofreehighqps/D1/46/GAqhp50LvUltAB6UswOJsGZO.png!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" alt="" data-origin="http://imagev2.xmcdn.com/storages/837d-audiofreehighqps/D1/46/GAqhp50LvUltAB6UswOJsGZO.png?op_type=0" data-large="http://imagev2.xmcdn.com/storages/837d-audiofreehighqps/D1/46/GAqhp50LvUltAB6UswOJsGZO.png!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" data-large-width="750" data-large-height="750" data-preview="http:...