yo-yo

短语
大学 FREQ #19232 ★☆☆☆☆

n. 溜溜球

发音

UK /ˈjəʊ.jəʊ/
US /ˈjoʊ.joʊ/

词形变化

yo-yos 复数 yo-yos yo-yoed yo-yoing yo-yos 三单 yo-yoing 现在分词 yo-yoed 过去式 yo-yoed 过去分词

别名

yoyo

教材释义与例句

名词

溜溜球（一种线轴般的玩具）；优柔寡断

动词

摇摆不定；上下起落

释义与例句

n.
  1. 1.

    A toy consisting of a spheroidal or cylindrical spindle having a circular groove in which string is wound; it is used by holding the string in the fingers and reeling the spindle up and down by movements of the wrist.

    溜溜球

    摇摇

    I bought a yo-yo from the toy store yesterday.

  2. 2.

    Someone who vacillates.

    非正式
  3. 3.

    A dogfighting maneuver involving the attacker temporarily exchanging altitude for airspeed, or vice versa, in order to rapidly catch up with the defender or to prevent an overshoot.

    航空 商务 工程 政治 军事
  4. 4.

    A cloth rosette formed by gathering the outside edge of a circle of fabric in toward the centre using a running stitch.

    商务 工程
  5. 5.

    A foolish, annoying or incompetent person.

    非正式

    It is hard to watch the management for very long and not conclude that the place is run by a bunch of yo-yos.

  6. 6.

    A volatile market that moves up and down.

    商务 金融
v.
  1. 1.

    To vacillate; to move up and down.

    不及物

词汇关系

名词

上位词 2

toy plaything

词源

Genericized trademark. Most likely from Ilocano yóyo, or another Philippine cognate.

来源：wiktionary