Outside, one should go to low ground and not get under trees.

如果是在外面的话, 应该伏在地上,不要在树下.

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Fog moved low ground, though the sky was clear.

地上的雾逐渐散去, 虽然天空是清澈的.

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Perhaps the low ground or the basement can provide the best survival opportunity.

也许低地面或地下室可以提供最佳的生存机会.

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