| 释义 |
to and fro [英] [tu: ænd frəʊ] [美] [tu ænd fro] [短语] 来回地 词频排名 12897/55435 学习人数 35 难度等级 3/10 认知比例 53.85% 例句 They are moving to and fro. 他们在来来回回地移动。 Various kinds of vehicles run to and fro in the street. 大街上来来往往的车辆很多。 "The ants went to and fro on the frontier, looking for something edible." 蚂蚁在边境上来来回回地寻找能吃的东西。 助记 联想 back and forth Pros and cons 有利有弊
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