| 单词 | once in a while |
| 释义 | once in a while : sometimes but not often : occasionally偶尔地；间或 We spend most of our time at home and go out once in a while.我们大部分时间都待在家里，偶尔出门。 Every once in a while, we have wine with dinner.我们偶尔在晚餐时喝葡萄酒。 once |
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