英语词汇“back-of-an-envelope”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	back-of-an-envelope
释义	back-of-an-envelope [网络] 简易快速计算的
随便看	roommate roommate; room-mate roomy roost rooster root root around root beer root canal root cellar root crop root directory root for root ginger root out root vegetable root-bound rootbound rooted rooter rootin'-tootin' rootle rootless roots reggae rootstock 出门一把锁，进门一把火出门一笑大江横出门万里客，中道逢嘉友。未言心相醉，不在接杯酒。出门三步远，又是一层天出门三里地，总算外来人出门不同路，敲锣不同音出门不认货出门不露白出门不顾后，报国死何难！出门人，三辈小ハツハツハツハツハツアカネハツアカリハツアキハツアキナイハツアサマハツアン