词典释义：
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Went to Sam's grave every day. Then twice a week. Then once a week. I sought out therapy for myself.
每天都去山姆的墓前，后来一周去两次，再后来一周一次，我还给自己找了心理医生。
《Mistresses Season 2》《情妇 第二季》
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You know, I may have to bring in somebody once a week to lick the silverware.
我或许一个礼拜得请一次人来舔我的银餐具。
《Friends Season 2》《老友记 第二季》
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Well, if that's the case, Penny will have to get satellite TV and maybe once a week run a vacuum through this place.
那样的话，佩妮得装卫星电视，而且每周吸一吸灰尘。
《The Big Bang Theory Season 4》《生活大爆炸 第四季》
双语例句
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We have lunch together once a week.
我们每周一次一起吃午餐
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Once a week, a maid changes the sheets.
女仆每个星期换一次床单。
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We tend to meet up for lunch once a week.
我们往往会每周共进一次午餐。
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The train operates the 2,400-mile round trip once a week.
这列火车每周进行一次2400英里的往返旅行。
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I do exercises for legs approximately once a week and most of my leg workouts include ballet movements and yoga stretching.
我大约每星期一次做腿部运动，而且绝大部分的腿部训练包括芭蕾舞步和瑜伽伸展运动。
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He cleans his car once a week.
他每周洗一次汽车。