相关单词同义词walks, gang, plank, 近义词 catalyst 催化剂, facilitator 帮助者, spur 支脉, trigger 使发生, launch pad 发射台, foundation 根基, point of departure 出发地点, jumping-off point 起点临近词spring, spring to相似词spring to life idiom, spring to mind idiom, spring up, spring-clean, springbok, springform tin, springtime, springy, 返回 springboard