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The country has not forsworn the use of chemical weapons.
该国并未保证禁用化学武器。
《牛津词典》
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Some American retailers have forsworn fuel from the tar sands.
一些美国零售商发誓不购入产自油砂的燃料。
youdao
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Some American retailers have forsworn fuel from the tar sands.
一些美国零售商发誓不购入产自油砂的燃料。
youdao