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n.
(生态系统) system formed by the interaction of a community of organisms with their physical environment


Spelling Word: ecosystem
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a. Syn. entitled; qualified; suitable
(合格的,有资格的) qualified; desirable and worthy of choice, especially for marriage


Spelling Word: eligible
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n.
(百科全书) a reference work containing articles on various topics


Spelling Word: encyclopedia
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a. Syn. same; identical
(相等的,同样的) having the same quantity, measure, or value as another; identical


Spelling Word: equal
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a. Syn. interchangeable; comparable; tantamount
(相等的,等值的) interchangeable; comparable; equal, as in value, force, or meaning


Spelling Word: equivalent
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v. Syn. assess; appraise; evaluate
(估计) judge to be probable; form an opinion about; evaluate


Spelling Word: estimate
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n. Syn. manners; decorum
(礼仪,礼节) manners; rules governing socially acceptable behavior


Spelling Word: etiquette
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v. Syn. derive; remove; squeeze
(拔出,榨取) draw or pull out, usually with some force or effort; remove; get despite difficulties or obstacles


Spelling Word: extract
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n.
(偏爱,热衷于) act of gracious kindness; inclination to approve


Spelling Word: favour
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n.
(松软的绒毛团,软毛,填充材料) inflated or padded material; light down or fuzz, as on a young bird; superficial entertainment


Spelling Word: fluff