a typical course consists of three classes per week for fifteen weeks.
來源：新能源網(wǎng)
時間：2024-08-17 10:42:56
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a typical course consists of three classes per week for fifteen weeks.【專家解說】：a typical cou
【專家解說】：a typical course consists of three classes per week for fifteen weeks.
一門課一般一周上三節(jié)課，連上十五周。
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