once
释义
adv.一次；曾经
出现位置
小学-译林版 · 译林版七年级英语上册 · Unit 4 My day
例句（20 条）
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My prime concern is to protect my property.
我最关心的是保护自己的财产。
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A tiger thinks humans are bad because they hurt him once.
有一只老虎认为人类很坏，因为他们伤害了它一次。
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One banana plant usually produces fruit once a year.
一株香蕉通常一年结一次果。
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She looks disconcertingly like a familiar aunt or grandmother.
她像一位熟悉的阿姨或奶奶，令人感到困惑。
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I once met your mother.
我曾经见过你母亲。
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When does the concert begin?
音乐会什么时间开始？
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On hearing that the new novel was published, he rushed at once to the bookshop for a copy.
听说那本小说出版了，他就迫不及待地跑到书店去买。
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'Not bad,' she conceded grudgingly.
“不错。”她勉强承认道。
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Never once did he try to bite or scratch me.
他从来没有想过要咬我或抓我。
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Come to the "tomato fight" in Spain! Once every year, people in the town of Bunol throw tomatoes at each other.
来参加西班牙的“西红柿大战”吧！每年一次，布诺尔镇的人们都会互相扔西红柿。
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If they're producing Coca-Cola and you have any kind of concern for your teeth, maybe you shouldn't produce so much anyway.
如果他们生产可口可乐，而你对你的牙齿有任何担心，也许你不应该生产这么多。
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You may have heard that Coca-Cola once contained an ingredient capable of sparking particular devotion in consumers: cocaine.
你可能听说过可口可乐曾经含有一种能让消费者格外喜爱的成分：可卡因。
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Once you have chosen a kennel, make a booking for your pet.
一旦您选定了养狗场，请为您的宠物预约。
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The snake sheds its skin once a year.
蛇一年蜕一次皮。
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I do aerobics once a week.
我每周做一次有氧健身运动。
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She had conceived the idea of a series of novels, each of which would reveal some aspect of Chinese life.
她已经想出了个关于一个系列小说的主意，每一部都将反映中国人生活的某一方面。
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On a blackboard, he drew five concentric circles.
他在黑板上画出五个同心圆。
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Once upon a time there was a beautiful princess.
从前，有一位美丽的公主。
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He's my cousin's son so he's my first cousin once removed.
他是我表兄弟的儿子，所以他是我隔了一代的表亲。
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Once again the train was late.
火车又一次晚点了。