This time last year Cabot Circus was the scene of a charity 'flash mob freeze' where participants held poses of their own choosing for several minutes before going about their business.
去年，在卡博特马戏团商场也举行了慈善快闪活动“来冻结”，活动要求参与者在几分钟内保持固定姿势，活动完毕后再做回自己的事。
What does it mean to so fear wrinkles that to avoid them you will flash-freeze your face or spend time retraining your forehead?
如此惧怕皱纹以至于为了避免它们忍受着脸部的瞬间僵硬以及花时间再改造前额，这是出于何种原因？
At high altitude and low temperatures, water sometimes doesn't freeze. Instead, it hovers, but as soon as something solid — like a pitot tube — flies through it, the water flash-freezes to form ice.
在高海拔和低气温的环境下，水有时并不结冰，而是处于一种不稳定的状态，一旦有像皮托管那样的固体物质从中经过，水会附着在其表面闪冻成冰。
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