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- A small spate of visitors has been to this once forbidden region. 一小批访客去过这个一度禁止访问的地区。
- Since the collapse of communism, entrepreneurs have taken off in places where they were once forbidden, like Russia. 自从社会主义瓦解，企业家大量出现在那些曾被禁止的地方，例如俄罗斯。
- Since the collapse of communism, entrepreneurs have taken off in places where they were once forbidden, including Russia. 在俄罗斯，自从共产主义瓦解，过去被禁止的企业家就如同雨后春笋一般冒出。
- It is necessary that he be sent there at once. 有必要马上派他到那里去。
- She writes to her parents once a week. 她每周给父母写一封信。
- Yet once more I forbid you to go with him. 我再讲一次不准你和他去。
- More than once I've felt my heart slip a cog. 我不止一次感到心脏突然停跳一下。
- My inn had once been a part of an ancient ecclesiastical house. 我的客栈曾经是一个古老教会的房子的一部分。
- He and I were shipmates on a trawler once. 我与他一度同在一艘拖网船上工作。
- It was once thought unmanly not to drink and smoke. 身为男子不抽烟不喝酒曾视为无男子气概。
- The flue should draw better once it's been swept. 烟道一经清扫，通风情况应好些。
- You'll like her once you get to know her. 你一旦了解她，就喜欢她了。
- He likes to hit the bottle once in a while. 他喜欢偶尔喝得酩酊大醉。
- She looked in on us [at our office]once in a while. 每隔些时候，她都到我们这儿[办公室]来一趟。
- I've decided to break with Silvia once and for all. 我决定同西尔维亚彻底绝交。
- Once I took a wife I should have to put down roots. 我一旦娶了老婆，就该过安定的生活了。
- Barry only visits his parents once in a blue moon. 巴里很难得去看望他父母一次。
- The leap year comes around once in four years. 每四年有一个闰年。
- Such evil practice cannot be swept away at once. 这种坏事不是一下能扫除干净的。
- The teacher asked the pupils not to speak at once. 老师叫学生们不要同时说话。
