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a. Syn. frugal; cheap; economical
(经济的,经济学的,有利润的) pertaining to economy; frugal; cheap


Spelling Word: economic
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n.
(俭省节约的,经济的) efficient use of resources; reduction in cost; specific type of economic system


Spelling Word: economy
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n. Syn. component
(成分,要素) fundamental or essential constituent of a composite entity; basic assumptions or principles of a subject


Spelling Word: element
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v. Syn. threaten; jeopardize
(危及,危害) threaten; jeopardize; do something that may damage it or destroy it


Spelling Word: endanger
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v. Syn. reserve
(吸引,雇佣,答应,订婚) obtain for services of; arrange for the use of; pledge or promise, especially to marry


Spelling Word: engage
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a. Syn. tremendous; huge; massive
(极大的,庞大的) very great in size, extent, number, or degrees; huge; massive


Spelling Word: enormous
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n. Syn. plague
(传染病,流行病) outbreak of a contagious disease that spreads rapidly and widely; widely prevalent


Spelling Word: epidemic
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n. Syn. equality; equilibrium
(等式,方程式,相等) making equal; equal division; equality; equilibrium


Spelling Word: equation
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n. Syn. proof; testimony
(证据) something which makes evident or manifest; any mode of proof


Spelling Word: evidence
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n. Syn. equipment; device
(设施,设备) service, space, and equipment provided for a particular purpose


Spelling Word: facility