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釉质是身体中最硬的组织最富于钙质.Enamel is the hardest structure of the body and the richest in Calcium.洗牙会对牙釉质造成伤害 吗 ?Does the meeting that wash a tooth cause harm to enamel?采用维氏显微硬度仪测定经饮料浸泡后牙釉质表面显微硬度的变化.The enamel surface microhardnes...
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Celestite is usually diagenetic but commonly forms very early in the history of the sediment.天青石一般是成岩期的,但通常是在沉积史的极早期形成的.Reduction - metathesis method for preparation of strontium carbonate from celestite is developed.提出还...
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downer的音标：downer的英式发音音标为：['daʊnə(r)]downer的美式发音音标为：['daʊnɚ]...
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他对所有善意、真挚的建议基本都无动于衷。All the well-meant, sincere advice is largely wasted on him.他们俩的脸上都流露出真挚友好的表情。There was a sincere expression of friendliness on both their faces.这本书信集感情真挚，语言坦率，还透着一种顽皮的滑稽。This collection of letters is...
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cavernostomy的音标：cavernostomy的英式发音音标为：[kævə'nɒstəmɪ]cavernostomy的美式发音音标为：[kævə'nɒstəmɪ]...
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irreligion的音标：irreligion的英式发音音标为：[ˌɪrɪ'lɪdʒən]irreligion的美式发音音标为：[ˌɪrɪ'lɪdʒən]...
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hepatogram的音标：hepatogram的英式发音音标为：[hɪpə'təɡræm]hepatogram的美式发音音标为：[hɪpə'təɡræm]...
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“背运”的拼音为：bèi yùn ...
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组织内脂肪消失...
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Derbyshire的音标：...
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inextricably的音标：inextricably的英式发音音标为：[ˌɪnɪk'strɪkəbli]inextricably的美式发音音标为：[ˌɪnɪk'strɪkəbli]...
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Seller unagree to allowance over 30 c burgher push undesirable.卖方拒绝赔偿30美分以上,再勉强也无用.Certain estates are labelled as undesirable.某些物业被归入不受欢迎之列。Inflation is considered to be undesirable because of its adverse effects on inc...
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apes的音标：...
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普通双位控制中采用相同的接触器.The same contactors are used for ordinary two - position control.每天都有双位数字的新增感染个案.New cases have been cropping up daily in the double digits.微机控制双位式交流调速电梯总系统的设计与运行.The State and Development of Elevator Tra...