| 单词 | 刻苦钻研 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔dig away〕She is digging away at her mathematics lessons.她在不停地刻苦钻研数学。21世纪英汉〔grind away at〕He is grinding away at French study.他正在刻苦钻研法语。21世纪英汉〔hammer〕He hammered away at mathematics.他刻苦钻研数学。英汉大词典〔hammer〕He is hammering at his studies recently.他最近正在刻苦钻研他的学业。21世纪英汉 |
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