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来源:雅诚德英语网
Such assistance was essential in identifying potential dangers—poisonous species, unpredictable rivers, uncharted territories—which could mean the difference between life and death.
这种援助对于查明潜在危险——有毒物种、不可预测的河流、未知领域——至关重要,那些危险可能意味着生死之差。