释义
n.
a large flat board on which paper may be spread for artists or designers to work on
画图板，制图板，绘图板。
短语
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back to the drawing board used to indicate that an idea, scheme, or proposal has been unsuccessful and that a new one must be devised （失败后）重起炉灶，从头再来the government must go back to the drawing board and review the whole issue of youth training . 政府必须从头来起，重新审视整个青年培训问题 -
on the drawing board （of an idea, scheme, or proposal） under consideration and not yet ready to put into practice （观点，计划，建议）在计划阶段；在考虑中there are plans to enlarge the runway, but at present all this remains on the drawing board . 打算扩建机场跑道，但目前一切仍处于计划阶段
