动词短语
中文翻译：宣布信号
同义词：
['announce', 'signal', 'erect', 'establish例句：1. The bridge was officially opened to the public last week.（这座桥上周正式对公众开放。）']
例句：
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1. The bridge was officially opened to the public last week.
这座桥上周正式对公众开放。
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2.The announcement of the new policy has caused quite a stir among the public.
新政策的宣布在公众中引起了相当大的轰动。
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3. The engineer carefully erected the bridge, ensuring it would withstand any future storms.
工程师仔细地架设了这座桥，确保它能承受任何未来的风暴。