1、
the frailness of the child from the birth made her susceptible to every prevailing illness.
这个孩子天生的虚弱，使她易于罹患每一种流行的疾病。
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2、
树中的节点失效后其下游的节点将不能接收到分组，使得系统变得脆弱。
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3、
the findings suggest that exercise early in life could help fend off frailness in the elderly.
据研究结果推测，年轻时多做运动，有助于防止年老体衰。
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4、
5、
wasted stresses frailness or enfeeblement such as results from prolonged illness or extreme hardship
Wasted强调由于长期疾病或极端困苦而造成的体质脆弱或无力
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