Photo Tip: The long exposures required for firework photography mean slow shutter speeds.

照片说明：拍摄焰火照片需要长时间的曝光，这意味着要降低快门速度。

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Photo Tip: Nighttime photographs almost always require long exposures.

拍照小技巧：拍夜景基本上都要用到长时间曝光。

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The skull from the ferocious prehistoric predator the pliosaur is 2.4 metres long and could belong to a creature measuring up to 16 metres in length from tip to tail and weighing up to 12 tonnes.

这块长2.4米的头骨来自于凶猛的史前食肉动物——上龙，该上龙从前端到尾部可能长达16米，重达12吨。

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She scrambles to the beaver dam and returns with an inch-long worm squirming on the tip of her finger.

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In "Lady N, " from 2009, a long-stemmed silver oil lamp has punctured pink seashells and silver candle-snuffers blooming from its tip.

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