吸取精华 剔除糟粕
Absorb the essence and discard the dross
以上为机器翻译结果，长、整句建议使用 人工翻译 。
从每一次的教学中发现问题，解决问题，吸取精华，剔除糟粕，不断的完善自己，完善教学。
From each of the teaching found in and solve problems, learn from the best, to remove dross, and constantly perfecting my own and improve teaching.
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