There are no flip turns to negotiate in marathon swimming, which is usually held in lakes and oceans, and the upper body is more important than the legs.
这种马拉松式游泳一般在湖泊或海洋中进行，不需要突然发力和转身，而且上半身的动作比腿部更关键。
At the push of a button the fish are fed, and a flip of a switch turns on the sparkling underwater lights.
按一下按钮就可以喂鱼，而轻轻旋一下开关就可以打开水下明亮的大灯。
Obviously, this flip also turns the traditional notion of hierarchy on its head.
这显然颠覆了传统的层级结构观念。
Oh, it turns out there's a puzzle piece that allows you to pick a random or as we'll start calling it soon a pseudorandom number scratch a dice or flip a coin, or give you a bit of non-determinism.
它其实是一个游戏,允许你产生一个随机数,我们叫它伪随机数,能够高效地转动骰子，so，that，scratch，can，effectively，roll,或者抛掷一枚硬币，或者给你一个不确定结果。
My favourite drill for practising turns is to take three or five strokes down the pool, and then go right into the flip.
练习转身我最喜欢的方式就是向前划三下或者五下手，然后立即(做一次)翻转，然后刚好到池边做转身动作。
My favourite drill for practising turns is to take three or five strokes down the pool, and then go right into the flip.
练习转身我最喜欢的方式就是向前划三下或者五下手，然后立即(做一次)翻转，然后刚好到池边做转身动作。
应用推荐