英语词汇“primary focus”的翻译、意思、用法、释义-英汉汉英词典

单词	primary focus
释义	primary focus 【光学】主焦点以上来源于：《21世纪大英汉词典》
随便看	cautionary words caution, c. caution (ctn) cautioned cautioner cautioners caution him cautioning caution label caution mark caution mode caution money caution notice caution of juvenile offenders caution release sign caution release signal cautionries cautionry cautions caution sign caution signal caution signs caution signs, lables and signal caution signs-- lables and signal caution signs， lables and signal