How did that other frog learn to turn itself into a bouncy ball and roll down hills away from danger?

某些特殊的蛙类怎么学会把身体团成一个有弹性的球滚下山崖以逃避危险？

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Nothing is available to fill a void for many children; no good music for them to enjoy before they become rebellious and angry and turn to rock 'n' roll.

不可避免的要去填满孩子的思想空白，如果没有好的音乐那么叛逆和愤怒就会让他们转向摇滚。

youdao

Turn the dough out and press it down with your fist. It is now ready to roll out and cover with your toppings.

把面团反过来，用你的拳头按一按。它现在可以弹回来，并让你的指印消失。

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In January, the FAA issued an airworthiness directive ordering airlines to provide flight manuals that outline procedures for pilots to regain control of a 737 that goes into a sudden turn or roll.

CNN: NTSB urges pilot training for 737 rudder problem

Unidentified Policeman: Can you turn off the engine and roll down all your windows, please?

NPR: A Night At The Oscars

The competitors assess how the course is set and memorise every ripple, roll, and turn.

BBC: Sport - Winter Sports - Alpine skiing: Super-G