| 单词 | extensive | 
| 释义 | extensiveextensive /ɪkˈstɛnsɪv/ ●●○ W3 adjective 1containing a lot of information, details, work, etc.:  extensive research into the effects of stress2very large in size, amount, or degree:  Logging has caused extensive damage to the forests.—extensively adverb:  He read extensively on the subject.—extensiveness noun [uncountable]  | 
	
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