| 单词 | problem book |
| 释义 | > as lemmasproblem book problem book n. ΚΠ 1909 R. Burton Masters of Eng. Novel xii. 285 It is at once a romance of the modern type, a love-story and a problem book. 1927 Jrnl. Polit. Econ. 35 151 The tables of the problem-book fall into four groups. 2002 Civil Rights Jrnl. (Nexis) 1 Jan. 31 A bit like solving story problems by looking at the teacher's manual, with this punchline: the manual goes to a later edition of the problem book. < as lemmas |
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