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tract的音标:tract的英式发音音标为:[trækt]tract的美式发音音标为:[trækt]...
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tract的复数形式为:tracts...
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n.大片土地,(神经纤维的)束,小册子,一段时间,长时间...
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A vast tract of land is ready for development...一大片广阔的土地可待开发。Objective : To investigate myocardial injury and its mechanism after biliary tract obstruction.目的: 观察胆道梗阻后心肌损伤情况并探讨其损伤机制.She produced a feminist tract, 'C...
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A cold is an infection of the upper respiratory tract.感冒是上呼吸道的感染。She produced a feminist tract, "Comments on Birth-Control", in 1930.她1930年写了篇女性主义的短文《论节育》。A vast tract of land is ready for development.一大片广阔的土地可待开发。...