英语词汇back focal distance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	back focal distance
释义	back adj — 后 adj • 回来 adj focal distance — 焦距 focal adj — 焦点 adj distance n — 距 n • 远程 n • 路程 n • 远近 n back adv — 支持 adv • 力挺 adv • 支援 adv • 脊背 adv • 后边 adv back n — 背 n • 背部 n • 背面 n • 后面 n • 背影 n • 脊 n • 背侧 n
随便看	to be the subject of infringing activity to be thick-skinned to be thought about to be threaded to be threatened to be threatening to be Thrifty to be thriving to be through to be thrown into chaos to be thrust to be thwarted to be tickled to be tied down to be tightened to be tilted to be titled to be told to be told what to be tolerable to be toned down to bet on this to be too busy to be too demanding to be too dependent

英汉双解词典包含2273206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。

back adj —