unprecedented
us /ʌnˈpɹiːsədɛntəd/
unprecedented /ʌnˈpɹɛsɪdɛntɪd/ nghĩa là chưa từng có
Các nghĩa
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chưa từng có
Never before seen, done, or experienced; without precedent.
The Japanese economy was in an unprecedented boom at that time.
This is an unprecedented gesture.
Unprecedented ways should be tried.