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There are many amino acids that the body cannot synthesise itself.有许多种氨基酸人体自身不能合成.There are many amino acids that the body cannot synthesize itself.有许多种氨基酸人体自身不能合成。Alanine appears to be the preferred amino acid in the tr...
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currentlimiter的音标：currentlimiter的英式发音音标为：[kʌrənt'lɪmɪtər]currentlimiter的美式发音音标为：[kʌrənt'lɪmɪtər]...
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The recession is definitely at an end.经济衰退无疑已经告终。When our day's work was at an end we hastened there.当天工作一结束,我们就急忙赶到那里.The court has passed sentence and the matter is now at an end.法庭已经作出了判决，现在这件事已经告一段落。...
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同功凝固酶...
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coalfield的音标：coalfield的英式发音音标为：['kəʊlfi:ld]coalfield的美式发音音标为：['koʊlfild]...
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bur的音标：bur的英式发音音标为：[bə:]bur的美式发音音标为：[bɚ]...
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He bought me a bagful of sweets.他给我买了一包糖.He was caught in the act of stealing the sweets.他正在偷糖时被抓住了.a yen for sweets想吃糖果She dipped a hand into the jar of sweets and pulled one out...她把手伸进糖果罐，摸出了一颗糖。Sweets should be cut o...
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土壤中的养分除氮外, 最初的来源都是母岩.The nutrient in soil divides nitrogen outside, prime source is Mu Yan.另外,还简略介绍了生物除氮磷的基础理论.It also summarizes basic principles on biological nitrogen and phosphorous asas some new significant views....
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n.糖精...
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adj.大的...
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n.产气，产气作用...
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It is a sneaky and underhand way of doing business.这种做生意的方式偷偷摸摸，遮遮掩掩。That was a sneaky trick!这种把戏可不够光明正大！You bachelors are really sneaky.你们没结婚的人太不老实....
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You can pay to be upgraded to a business class seat.你可以付费升级到商务舱。Helicopters have been upgraded and modernized.直升机已经更新换代，装配了现代化设备。They upgraded the land by improving it with new buildings.他们建造新楼房来提高土地的等级....
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bufotalein的音标：bufotalein的英式发音音标为：[bʌfəʊ'teɪlɪn]bufotalein的美式发音音标为：[bʌfoʊ'teɪlɪn]...