Fraunhofer diffractionunh Thành ngữ, tục ngữ
unheard of
unheard ofVery unusual, extraordinary, as in It's unheard of to have all one's money refunded two years after the purchase. This expression alludes to a circumstance so unusual that it has never been heard of. [Late 1500s]
An unh idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with unh, allowing users to choose the best word for their specific context.
Cùng học tiếng anh với từ điển Từ đồng nghĩa, cách dùng từ tương tự, Thành ngữ, tục ngữ unh
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