这种戏剧性的剧烈环境变化，意味着人们不得不寻找一种方式来代替狩猎。

This dramatic change of environment meant that people had to find an alternative to hunting.

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第一次约会，选择一个具有戏剧性的环境，如，坐过山车，看刺激神经的电影，比如《致命诱惑》。

Choose a dramatic setting for your first date, such as a roller coaster, or go to see a nerve - jangling movie such as fatal attraction.

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虽然酸化效应不为人知，海洋环境的戏剧性变化似乎已经无法避免。

Although the effects may be hidden from people's view, dramatic alterations in the Marine environment appear to be inevitable.

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