I TRUDGED up the snowy hill, head bent against the freezing wind with my overnight kit under my arm, trying to make my way through the snow in the arctic dark.
A more energy-efficient approach would be to head straight into the current as long as possible and then turn, much as a sailboat tacks in the wind.
一个更节约能源的方法是:尽可能的沿着水流的方向前进,然后再转向,就像帆船在风中行驶那样。
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It felt like your head was a barn, and a big wind was blowing in one ear and bouncing around the walls and then turning into a pitch and then into overtones and then slowly falling to the ground.