名词
中文翻译：Unknown
同义词：
['register', 'record', 'affix', 'certify', 'authenticate']
例句：
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1. The company must register its new product with the government.
该公司必须将其新产品向政府注册。
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2. The registration fee for the event is $50.
该活动的注册费为50美元。
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3. The registration process was smooth and efficient.
注册过程顺利且高效。