burst out laughing 请问为什么,laugh加ing

burst out laughing 请问为什么,laugh加ing burst into laughter,burst out laughing.二者用法为什么不同?求详解, burst into 与burst out 有什么区别burst into 是与名词连用吗,例如burst into tears/laughter.而burst out 是与ing的名词连用吗?如,burst out laughing/crying 用括号内的连词改写下列句子.Then the doctor burst out laughing.The patient burst out laughing.(both..and) both____ and_____ laughing do harm to your health.a/ burst into tear ;burst outb/ bursting into tears; bursting out原因 break out doing 有无此用法?burst into tears.break into tears.突然大哭.burst out laughing.突然大笑.请问 break out laughing.可不可以?还有 burst into tears 等于 break into tears burst out 这里OUT 的词性是什么,有没有,BURST OUT DOING STH 请举例说明,谢谢 laughing out into和out都是介词吗?如果是介词,那为什么burst into laugh中的 laugh不加ing,而burst out laughing却要加ing? burst out doing sth burst into与burst out语法区别 辨析burst out与burst into 英语翻译she told the person behind the counter,They'll have two Whippers well-to-do.Jill burst out laughing,but Ialmost died. burst out 后接什么 burst out和 burst into 有什么区别吗? 请问burst into 与 burst out有何区别? burst into 与burst out 有什么区别 burst out和 burst into 有什么区别吗?