extractions什么意思
        n.
取出( extraction的名词复数 ),摘要,血统,拔牙
        
     
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                extractions的音标:... 
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                Objective: The extractions on the carotenoid produced from Cordyceps militaries were studied.目的: 研究蛹虫草中类胡萝卜素的提取工艺.The extractions of glutenin and gliadin from vital wheat gluten were investigated.以谷朊粉为原料,提取了麦谷蛋白和麦醇溶蛋白.In... 
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                In those days, dentistry was basic. Extractions were carried out without anaesthetic.那时候,牙科学刚起步,拔牙都不打麻药。Her teeth are so bad that she needs three extractions.她牙齿坏得非常厉害,得拔掉三颗.Her teeth are so bad that she needs five extra...