形容词
中文翻译：易受伤害的
同义词：
['fragile', 'vulnerable', 'susceptible']
例句：
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1. The new bridge is so vulnerableto earthquakes that it needs to bereinforced every few years.
这座新桥非常脆弱，需要每隔几年就加固一次。
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2. The baby was so vulnerable to coldthat she needed extra blankets.
这个婴儿非常脆弱，容易感冒，所以她需要额外的毯子。
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3. The company's vulnerability to market changes madeit difficult for them to adapt to thechanging business landscape.
该公司对市场变化的脆弱性使得它们难以适应不断变化的商业环境。