yo-yos

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.

   一种玩具,由带凹槽的球形或圆柱形线轴构成,线绕在槽内,用手指持线,以腕部动作使线轴上下运动。

2. 2.

   A volatile market that moves up and down.

   上下波动的动荡市场。

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.

   一种空战机动:攻击者暂时以高度换取空速或反之,以快速追上目标或避免超越。

4. 4.

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

   一种布制玫瑰花结,用平针将圆形布料的外缘向中心收拢而成。

上下波动的动荡市场。；一种空战机动:攻击者暂时以高度换取空速或反之,以快速追上目标或避免超越。；一种布制玫瑰花结,用平针将圆形布料的外缘向中心收拢而成。；溜溜球

Connections

Learner notes