名词
中文翻译：Unknown
同义词：
['publication', 'registration', 'declaration', 'swearing', 'pledge']
例句：
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1. The government has announced thenew policy to the public.
政府已向公众宣布新政策。
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2. The company has registered itstrademark with the authorities.
该公司已向当局注册其商标。
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3. He made a solemn promiseto his wife that he would never leaveher again.
他向妻子郑重承诺，再也不会离开她了。