Stories of USA Today
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 Group (E F) - Spelling Practices
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n.
(电子学,电子工业) branch of physics that deals with the behavior of electrons; electronic devices


Spelling Word: electronics
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n. Syn. radiation; emanation; discharge
(散发,发射) radiation; discharge; act of emitting


Spelling Word: emission
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v. Syn. unearth
(挖掘,掘出,发掘) unearth; dig out; make a hole in; hollow out


Spelling Word: excavate
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n. Syn. substitute
(兑换,交换) substitute; trade in; give in return for something received


Spelling Word: exchange
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n. Syn. output
(支出,花费) payment or expense; output


Spelling Word: expenditure
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n. Syn. supplement; expansion
(延长,扩充,扩展名) supplement; act of extending or the condition of being extended


Spelling Word: extension
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a. Syn. real; actual
(事实的,实际的) real; actual; based on fact


Spelling Word: factual
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n.
(手电筒,闪光灯) small portable battery-powered electric lamp


Spelling Word: flashlight
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n.
(泡沫) white substance, consisting of an aggregation of bubbles, which is formed on the surface of liquids


Spelling Word: foam
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a.
(即将到来的,准备好的,现成的) ready or about to appear; making appearance


Spelling Word: forthcoming