详细解释:n. 溜溜球
词型变化：
名词复数:yo-yos动词过去式:yo-yoed过去分词:yo-yoed现在分词:yo-yoing第三人称单数:yo-yos英语解释：
名词 yo-yo:
a toy consisting of a spool that is reeled up and down on a string by motions of the hand例句：
The price of petrol is going up and down like a Yo-Yo.汽油的价格像悠悠一样忽上忽下。