The engineering tor from abroad only broke in with us last month. 從國外回來(lái)的工程博士是上個(gè)月才開(kāi)始和我們一道工作的。
Last year he received a doctor's degree in high-polymer chemical engineering from Lehigh University in Pennsylvania. 去年他獲美國賓州里海大學(xué)高分子化學(xué)工程博士學(xué)位。
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