radical

/ˈɹædɪkəl/ 形容词 C1

中文：根的、根部的、词根的、根本的

Of or pertaining to the root of a plant.
Of or pertaining to the root of a word.
Produced using the root of the tongue.
Relating to a radix or mathematical root. · a radical quantity; a radical sign
Pertaining to the basic or intrinsic nature of something.
Favoring fundamental change, or change at the root cause of a matter. · His beliefs are radical.
Thoroughgoing; far-reaching. · The spread of the cancer required radical surgery, and the entire organ was removed.
Involving free radicals.

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For a moment it seemed to me that there must be some radical mistake in my calculations.

Although some of his more radical proposals failed to gain traction, these specific alterations resonated deeply with the American public.

Experts recognized that the fundamental relationship between agriculture and the local ecosystem needed to undergo a radical transformation.

As the migration continued farther north to Chicago, the blues underwent a radical transformation to suit the urban environment.

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