作品原文 子曰(1)：“学而时习之(2)，不亦说乎(3)?有朋自远方来(4)，不亦乐乎？人不知而不愠(5)，不亦君子乎？”
第一节课学完后，能够因内容的新鲜和在空白基础上掌握崭新内容而感到愉悦。
After the first lesson, one feels very pleasant because one has learned fresh and brand-new knowledgeout of blank foundation.
她以最早提炼出纯镭的第一位辐射学专家而闻名于世。
She was the first to isolate pure radium, and was world renowned as the leading expert on radiation.
出于想获得自己的第一份工作的目的，而学一门课程，是目光非常短浅的。
It is very shor sihte after all, to take a course of studies only for the purpose of getting one's first job.
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