但是很快事情变得明朗，美军仅仅开展轰炸几乎不能阻止越共在南越的军事行动。

But it quickly became clear that US airpower alone was doing little to halt Vietcong operations in the south.

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早期的动物园仅仅是窄小的牢笼，动物在里面几乎不能动弹。

Zoos in earlier days were only small and narrow prison cages, animals inside could almost not move around.

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