| 单词 | at once |
| 释义 | at once 1．very soon； immediately立刻 *The telegram must be sent at once．电报必须立即发出。 *I recognized him at once．我立刻就认出了他。 2．both； equally同样；兼 *He is at once a statesman and a writer．他既是一位政治家，也是一位作家。 *He was at once happy and sad．他悲喜交集。 *The book is at once interesting and instructive．这本书既有趣又有教育意义。 |
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