discipline problems, 纪律问题, engagement, n. (与……的)密切关系， , state, n.状态，状况，政府；国家；州，邦, medical records, 医疗记录, permission, n. 同意，许可, inevitable, adj. 必然发生的，不可避免的, nutrition, n. 营养, protein, n. 蛋白质, variable, n. 可变性，可变因素, procedure, n. 手续，步骤, pellets, n. 芯块，小球，颗粒，小丸, weighing chamber, 液压称重室, depressing, adj. 令人沮丧的, experiment, n. 实验，试验, methodology, n. 方法论，一套方法, confidentiality, n. 保密性，机密性, outline, n. 轮廓，提纲， , investigate, v. 侦察（某事）, supplements, n. 补充品；增补物, iron, n. 铁, genetic structure, 遗传结构, food colouring, 食用色素, electronic balance, 电子天平, deviation, n.离差，偏差.

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