单词	Technology-topic operation
释义	请查阅operation
随便看	back-to-back back to basics back to front back to nature back to the drawing board backtrack backtracked backtracking backtracks backup back up backups backward backward backward-looking backward looking backwardlooking backwardness backwards backwards and forwards backwards compatible backwardscompatible backwards-compatible backwash backwater 杂乱词义,杂乱组词,杂乱造句杂交词义,杂交组词,杂交造句杂体诗杂剧杂剧杂剧总集和合集杂卦·《周易》原文注解与鉴赏杂史杂史笔记杂咏》原文与赏析杂志的量词使用,词语解释杂感》原文、赏析、鉴赏杂感》诗词原文\|题解\|赏析\|配图杂成统系融会百家——《吕氏春秋》杂文