名词短语
中文翻译:Unknown
同义词:
['open day', 'public day', 'open house']
例句:
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1.The school held an open day to welcome new students.
学校举办了一个开放日,欢迎新生。
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2.The museum is open on weekends and holidays.
博物馆在周末和节假日开放。
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3.The library offers free open house events throughout the year.
图书馆全年举办免费开放活动。