loop-the-loop
n. 环路火车
例句与用法：
The news of their marriage knocked me for a loop.
他们结婚的消息使我大吃一惊。
A leather loop that slides to change the tension on the cord of a drum.
滑动皮环通过滑动以改变鼓弦张力的皮环
He looped the rope around the steer's horns.
他用绳子打个圈，套在这头小公牛的角上。
Her wavy hair fell in loose wisps and loops upon her shoulders.
她那一头波浪般的长发一簇簇一圈圈地散垂在肩上。
词形变化：
动词过去式: looped | 动词过去分词: looped | 动词现在分词: looping | 动词第三人称单数: loops |
n.
1. 飞行表演的垂直翻转
2. (儿童乐园的)云霄飞车