英语词汇“preparatory courses”的读音、翻译、释义、用法及例句-开邑网

词汇	preparatory courses
释义	preparatory coursespreparatory courses1.■预备科目(班)
随便看	direct quench system direct quotation direct quotation of exchange rate direct radar guidance direct radiation direct radiation loudspeaker direct radiative transition direct radiator direct-radiator speaker direct rate direct ratio direct ray direct rays direct reacting bilirubin direct reaction direct reaction to light direct-read-after-write direct read after write direct-reader direct reading directreading direct reading analytical balance direct-reading analyzer direct-reading bridge direct reading calculator

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