从前的英语短语once 从前的英文短语：once upon a time。 once： adv.仅一次；一次；曾；曾经；（用于否定句、疑问句和if后）曾，根本； conj.一…就；一旦；当…时候 扩展资料 Once upon a time, a group of men came to a rainforest. 从前，一群人来到一片雨林。 Once upon a time, there was a tree which wanted to become a treasure box. 从前，有一棵树想成为宝箱。 If necessary I can come at once. 如果有必要，我可以马上来。 A computer can perform many tasks at once. 电脑能同时做多项工作。 Since the party she had only spoken to him once. 那次聚会以后，她只和他说过一次话。 本文来源：https://www.wddqw.com/doc/087f3153cf1755270722192e453610661ed95a87.html