动词
中文翻译：使变弱
同义词：
['weaken', 'diminish', 'weaken']
例句：
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1.The old man's health has been biserrated by his age.
这位老人的健康状况由于年龄而变得脆弱。
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2.The company's profits have been biserrated by the competition.
该公司的利润因竞争而减弱。
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3. The team's morale has been biserrated by the loss of key players.
团队士气因关键球员的离队而减弱。