| 释义 |
once a day [英] [wʌns ə deɪ] [美] [wʌns e de] [短语] 一天一次 词频排名 19889/55435 学习人数 43 难度等级 10/10 认知比例 87.50% 例句 I have to mop the kitchen floor at least once a day. 我每天至少要把厨房地板擦洗一次。 The earth rotates once a day. 地球每天自转一次。 He comes to the office once a day. 他每天来办公室一次。 助记 串记 twice a day一天两次 three times a day一天三次 four times a day 一天四次
|