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1704932227
1704932228 the economics of the timber trade 木材工业的效益
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1704932230 economy也是名词,表示“经济”:
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1704932232 The nation’s economy is growing rapidly. 国家的经济迅速增长。
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1704932234 These strikes were damaging the country’s economy. 这些罢工损害这个国家的经济。
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1704932236 也可表示“节约”(复数形式表示节约措施):
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1704932238 He has no need to practice economy. 他没有必要实行节约。
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1704932240 It might be necessary to make a few economies. 可能有必要采取一些节约措施。
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1704932242 economic是形容词,表示“经济上的”:
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1704932244 We need a rational economic system. 我们需要一个合理的经济制度。
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1704932246 We bought a small car for economic reasons. 出于经济上的原因我们买了一辆小车。
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1704932248 economical也是形容词,表示“节约的”:
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1704932250 One must be economical of one’s time. 我们必须节约时间。
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1704932252 He was industrious and economical. 他勤劳而又节省。
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1704932254 张道真英语用法(大众珍藏版·第二版) [:1704917352]
1704932255 346 -ed Adjective
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1704932257 -ed adjectives主要表示以-ed结尾的形容词,也包含一些不以-ed结尾的过去分词,为了方便,都称作-ed adjectives。
1704932258
1704932259 这类形容词多数由及物动词的过去分词变成,因此有被动意思,可作表语,也可用作定语:
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1704932263
1704932264 这类形容词很多,常见的有:
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1704932266 amused astonished broken closed completed complicated confused covered crowded decided delighted deserted devoted disappointed discouraged distinguished dressed excited finished frightened illustrated injured interested known lined lost married offended pleased puzzled qualified reserved satisfied surprised surrounded tired unexpected unknown unmarried unqualified worried wounded 有些这类形容词并无被动意思,而有完成的意思,如:
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1704932268 My father is a retired general (=a general who has retired). 我父亲是一位退休将军。
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1704932270 The escaped convict (=convict who had escaped) has been captured. 逃犯已被抓获。
1704932271
1704932272 下面这些都属于这一类:
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1704932274 accumulated dated escaped faded fallen retired swollen wilted 还有一些这类形容词,意思和有关动词的意思有些差异,如:
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1704932276 She is attached to the place. 她很喜欢这个地方。
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