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 Group (A) - Spelling Practices
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a.
(摩擦的,粗糙的,研磨剂) rubbing away; tending to grind down


Spelling Word: abrasive
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v.
(陪伴,伴随,伴奏) travel with; be associated with


Spelling Word: accompany
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n. Syn. modification; adjustment
(改编,改写,适应环境) modification; alteration or adjustment in structure or habits


Spelling Word: adaptation
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n.
(空气动力学) study of how objects move through the air or water


Spelling Word: aerodynamics
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n.
(集合,群体) several things grouped together or considered as a whole


Spelling Word: aggregation
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a. Syn. pleasing; acceptable
(使人愉快的,合意的) ready to consent or submit; acceptable


Spelling Word: agreeable
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n.
(飞行器,飞机,飞艇) vehicle that can fly, such as an airplane, helicopter, balloon


Spelling Word: aircraft
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a. Syn. solitary; by oneself
(单独的) solitary; by oneself


Spelling Word: alone
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n. Syn. environment; atmosphere
(环境) particular environment or surrounding influence; atmosphere of environment


Spelling Word: ambience
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n.
(赔偿,补偿) compensation for a loss or injury; recompense; reparation


Spelling Word: amends