形容词
中文翻译:不常的
同义词:
['rare', 'infrequent', 'seldom']
例句:
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1.The unfrequent visitor to themuseum was a local historian.
博物馆里不常来的访客是一位当地历史学家。
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2. The unfrequent occurrence of this disease isconcerning.
这种病不常见,令人担忧。
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3. The unfrequent visits from relatives arealways welcome.
亲戚们偶尔来访总是让人感到欣慰。