英语词汇“only if”的释义、用法及例句-英汉例句词典

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	clammiest clamming clammy clamor clamorous clamour clamoured clamouring clamours clamp clamp down clampdown clamp down (on somebody/something) clamped clamping clamp on clamps clamp something on somebody clams clamshell clam up clam up (on somebody) clan clandestine clang

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