?上导轮平台
... 上导函数 upper derived function 上导轮平台 monkey frame 上导瓦温 upper guide bearing metal temperature ...
So why can't a purpose-built frame or set of monkey bars provide all of this?
BBC: What can we learn from climbing trees?
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。