Discipline is the key to unlocking the intricate physical puzzle that is the rock: you must control your fear, and understand and work with your body.

自律是解决攀岩时遇到的复杂的体能困境的关键：你必须控制内心的恐惧，了解你的身体并运用自如。

youdao

If the two of you are happy with the current agreement, why rock the boat?

如果你们两个对于现在所达成的共识很满意，很快乐，晃什么船啊？

youdao

I feel like going rock climbing with you this weekend.

这周末我想和你一起去攀岩。

youdao

What it means is if you'd release a rock at that location one second before with a certain speed that we can calculate, it would've ended up here with precisely the position and velocity it had at the beginning of our experiment.

它的意义在于,若在该处以特定速度抛出一个物体,这个速度可通过计算得到,一秒之后,物体会运动至我们设定的起点,并且速度为我们设定的初速度

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" His wife complained, and his young daughter painted a small rock for him with the words, "You work too much.

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Patrick Smith, a pilot and columnist for Salon.com, says the view of Greenland, with its creeping glaciers splintering into barren rock as you're coming in off the coast, is like no other.

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