| 释义 |
〔swing〕To propel oneself from one place or position to another by grasping a fixed support:摆荡：抓住一固定支撑点从一地向另一地方或位置推进：〔foothold〕A place providing support for the foot in climbing or standing.立足点：在攀登或站立时为脚提供可支撑点的地方〔springboard〕A flexible board mounted on a fulcrum with one end secured, used by gymnasts to gain momentum, as in vaulting.跳板：一端固定安放于一个杠杆支撑点的弹性木板，用于体操运动员获得动力，如撑杆跳 |