英语词汇at once ... and ...怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	at once ... and ...
释义	at once ... and ... 既…又… at once stern and tender 既严肃又温柔 This book is at once interesting and instructive. 这本书既有趣又有教益。
随便看	scale armo(u)r scaleboard scaleboards scale bug scaled scaled down scaled-down scale dove scale down scale-down scale-downs scale down (或 back) scaled up scaled-up scale effect scale factor scale-fern scale-fish scale height scale insect scale insects scale leaf scale leaves scaleless scaleless

英汉双解词典包含548777条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。