The dawn side is very active in the fluctuations or turbulences of magnetic field, but the dusk side is stable;

晨侧的磁场起伏（或湍动）相当活跃，而昏侧相当稳定；

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The dusk light was failing and the interior of the pickup was dark but she knew the occupant was staring at her.

黄昏的光线逐渐暗淡下来，皮卡内黑漆漆的，但她知道占有者一直在盯着她。

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While "taking up photography" might sound like a great idea now, but when you find out you need to wake before the sun and head out at dusk just to get the best lighting, you might not be as excited.

就拿“学习摄影”来说，这是个不错的主意，但是当你发现需要在日出前起床并得在昏暗的条件下工作只是为取得最好的采光，也许自己就不会那么兴奋了。

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Columns of police on patrol and atop scooters monitored the march, but as dusk fell, it appeared largely peaceful.

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Elephant guns have given way to telephoto lenses, but the essentials remain: dawn and dusk game drives, stately canvas tents guarded by warriors with spears, and drinks around the campfire, with the mawing and bellowing of animals in the liquid black night beyond.

ECONOMIST: The decline in Kenya's safaris: Campfire blues | The

Bring packaged snacks, wet wipes, Ziploc bags, a change of clothes, disposable rain ponchos, sunscreen, bug repellent, water bottles, a small first-aid kit, small toys, coloring books and glow-in-the-dark sticks and necklaces (which the parks sell at dusk but they charge a fortune).

CNN: A theme park survival guide