to rappel meaning in English
松绳索
Examples
- A new study reveals that dragline silk , the stuff spiders use to rappel , has a molecular structure that makes it resilient to twisting
法国研究人员发现，原来蜘蛛丝中含有一种特殊的分子结构，能使蛛丝富有弹性，很容易克服摆动。 - A new study reveals that dragline silk , the stuff spiders use to rappel , has a molecular structure that makes it resilient to twisting
悬在丝上的蜘蛛身体为什么不容易晃动？法国研究人员发现，原来蜘蛛丝中含有一种特殊的分子结构，能使蛛丝富有弹性，很容易克服摆动。