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| earnest | 
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| n.  (誠摯的,認真的) seriousness; reality; fixed determination; eagerness; intentness | 
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| eccentric | 
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| a. Syn. irregular; odd; whimsical; bizarre (古怪的,奇怪的) departing from a recognized, conventional, or established norm or pattern | 
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| echo | 
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| n.  (迴聲,發出迴聲,重複) sound reflected from an opposing surface and repeated to the ear; repetition of a sound | 
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| ecology | 
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| n.  (生態學) science of the relationships between organisms and their environments | 
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| economic | 
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| a. Syn. frugal; cheap; economical (經濟的,經濟學的,有利潤的) pertaining to economy; frugal; cheap | 
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| economical | 
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| a. Syn. thrifty; saving (經濟的,節儉的) thrifty; saving; using the minimum of time or resources necessary for effectiveness | 
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| economics | 
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| n.  (經濟學) branch of social science that deals with the production and distribution and consumption of goods and services and their management | 
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| edit | 
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| v.  (編輯,剪輯) revise and prepare for publication; select, correct, arrange matter of, for publication | 
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| editorial | 
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| a.  (編輯的,社論) of or pertaining to an editor; written or sanctioned by an editor | 
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| efficient | 
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| a. Syn. effective (生效的,能幹的,有效率的) effective; acting directly to produce an effect; exhibiting a high ratio of output to input | 
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| elaborate | 
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| a. Syn. detailed; complicated (精細的,精心的,詳盡的) marked by complexity and richness of detail; done with care and in minute detail | 
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| elastic | 
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| a.  (有彈性的,靈活的) springing back; having the power of rebounding; able to return quickly to a former state or condition |