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至少一次
1、least───adv.最小；最少；n.最小；最少；adj.最小的；最少的（little的最高级）
2、not at least───至少不
3、at least one───至少一个
4、at once───马上，立刻；adv.立即; 一起; 同时; 立刻
5、at least twice───至少两次
6、like at once───就像一下子
7、fathered at least───至少是父亲
8、her at once───她马上就来了
9、at least───adv.至少；无论如何，反正
1、Trust income distribution, at least once a year, The institutions hold a period of not less than 12 months.───信托的收益分配，每年不少于一次，而机构持有期不得少于12个月。
2、Any API changes (which usually happen at least once a year) require changes in the business implementation.───任何API改变（至少每一年发生一次）都要求在业务实现中更改。
3、Well, the best way to avoid serious illnesses is to find out about them early. So try to come at least once a year for your own good.───额，避免严重的疾病的最好方法是尽早发现它们。所以，为了你自己好，争取每年来检查一次。
4、Always read an exam all the way through at least once before you start to answer any questions.───开始回答任何问题之前总是把试卷从头到尾读至少一遍。
5、Nearly half the children petted the robot dog gently at least once, despite its metallic surface.───几乎半数的儿童至少会有那么一次的轻轻抚摸机器狗，尽管那只是个金属表面。
6、High blood pressure is common among people with gout, so get yours checked at least once a year.───血压高的压力，是常见的人与人之间痛风，所以得到你们的检查每年至少举行一次。
7、About two-thirds of adults consult their doctor at least once a year.───大约三分之二的成年人一年至少看一次医生。
8、Groom them at least once a week to control shedding and for quality bonding time.───每周至少为兔子梳一次毛，可以控制其脱毛并可与兔子促进感情。
9、The Tourist Board inspects all recommended hotels at least once a year.───LvYouJu至少每年视察一次所有举荐的旅馆。
1、Do you take time out for yourself at least once a day?
2、Go at least once a year to a place you have never been before.
3、Cut the grass at least once a week in summer.
4、We update the schedule at least once a month.
5、They took separate holidays at least once every two years.
6、They seem to have a flaming row at least once a week.
7、Exfoliate your back at least once a week.
8、I resolved to visit my grandmother at least once a year.
9、The minister was obliged to report at least once every six months.