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n.
(半径,半径范围) right line drawn or extending from the center of a circle to the periphery


Spelling Word: radius
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n.
(登记员,记录员,(法院的)书记员) one who registers; a recorder; a keeper of records


Spelling Word: registrar
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v. Syn. direct
(管制,控制) bring into conformity with rules or principles or usage; impose regulations; fix or adjust the time, amount, degree, or rate of


Spelling Word: regulate
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v. Syn. strengthen; enhance
(加强) give more force or effectiveness to; strengthen; enhance


Spelling Word: reinforce
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n.
(不情愿,勉强) state of being reluctant; unwillingness; hesitancy in taking some action


Spelling Word: reluctance
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n. Syn. drug
(药物) a medicine or therapy; ; cure; fix; repair; provide relief for


Spelling Word: remedy
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n. Syn. remainder; relic
(残留物) remainder; small part or portion that remains after the main part no longer exists


Spelling Word: remnant
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n.
(重复,循环) act of doing or performing again


Spelling Word: repetition
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a. Syn. reactive
(响应的,做出相应的) reactive; readily reacting to people or events; showing emotion


Spelling Word: responsive
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a.
(零售的) selling of goods to consumers


Spelling Word: retail