1. 逆风：若依轮页受力可分成升力(lift)或阻力(drag)型;若依页数则单页﹑双页﹑三页或多页型;若依风向,则有逆风(upwind)和顺风(downwind)型,逆风型转子即页片正对著风向.

2. 顶风：正向岸风时,顶风(upwind)技术较好的选手可进行风筝冲浪活动,初级学员只能在岸上练习,不得下水拖拽身体或进行上板练习.

3.

3. 迎风,顶风,上升气流：upward向上的 | upwind迎风,顶风,上升气流 | vacuum真空, 空间

4.

4. 上升风：upwardstroke 上行冲程 | upwind 上升风 | uranium 铀

1. 逆风地；顶风地；在上风
    If something moves upwind, it moves in the opposite direction to the wind. If something is upwind, the wind is blowing away from it.

    e.g. ...riding a bike upwind...
           逆风骑车
    e.g. The rich went to live in the west of London, upwind of the smell of people and industry.
           有钱人搬去伦敦西区住，远离尘世的喧嚣。

1. towards the side exposed to wind

    Synonym: weather(a)

1. in the direction opposite to the direction the wind is blowing

    e.g. they flew upwind

    Synonym: against the windinto the wind

2. toward the wind

    e.g. they were sailing leeward

    Synonym: leeward