Coral reefs have been dying off at alarming rates because of modern human activity, and conservationists struggle to preserve them.

由于各种各样的现代人类活动，珊瑚礁正在以惊人的速度死亡，而保护者们在努力拯救它们。

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Although LCpl Buhler recovered from his stomach wounds relatively quickly, I am certain he will struggle with the mental image of his dying friend for the rest of his life.

尽管比勒相当神速地从腹伤中恢复了健康，但我确信他很难在后半生里将他死去的朋友从脑海中抹去的。

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Voters thousands of miles away struggle to remember why their soldiers are dying there.

而在遥远的西方国家，选民们也很难理解为什么本国士兵要驻扎甚至牺牲在阿富汗。

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Voters thousands of miles away struggle to remember why their soldiers are dying there.

而在遥远的西方国家，选民们也很难理解为什么本国士兵要驻扎甚至牺牲在阿富汗。

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