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noun | verb | to phrases
perfecting [pə'fektɪn] n
gen. 反〔双〕面印刷
telecom. 双面印刷
perfect [pə'fekt] v
gen. 使完全〔善，美〕; 完成
archit. pə'fekt使完善; 使熟练
econ. 使完美
perfecting
: 12 phrases in 4 subjects
Business2
Polygraphy5
Securities3
Technology2

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