南宫火却
across-the-board adj. 全盘的, 全面的 adv. 全面地 systematically adv. 系统地这句话可以这样翻译In the teacher's help, we are able to achieve a comprehensive and systematic study of a knowledge也可以这样翻译In the teacher's help, we are able to study a knowledge comprehensively and systematically
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