| 释义 |
yo-yo/ˈjəʊjəʊ/ n. & v.●n. (pl. yo-yos) propr. 1 a toy consisting of a pair of joined discs with a deep groove between them in which string is attached and wound, and which can be spun alternately downward and upward by its weight and momentum as the string unwinds and rewinds [商标]悠悠(一种玩具，由两个圆盘组成，中间有一深沟连接细绳，用手指抻绳可使之上下移动) 2 a thing that repeatedly falls and rises again 反复上下起落的事物 ●v. intr. (yo-yoes, yo-yoed) 1 play with a yo-yo 玩悠悠 2 move up and down; fluctuate 上下起落，忽上忽下；波动 [20th c.: origin unknown] |