英语词汇“only if”的释义、用法及例句-英汉例句词典-鸿札记

词汇	only if
例句	Idiom Only if a teacher has given permission is a student allowed to leave the room. 学生只有得到老师的许可才能离开教室。 Only if the red light comes on is there any danger to employees. 只有红灯闪亮时才有危及职工的险情。
随便看	be sure to do something be sweet on somebody bet betake betaken be taken aback (by somebody/something) be taken up with be taken up with something/somebody be taken with be taken with somebody/something betakes betaking beta particle beta ray be tarred with the same brush (as somebody) beta-test beta-tested beta-testing beta-tests betcha be teeming be that as it may be the biz be the bomb be the business

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