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- Many theories purport to explain growth in terms of a single cause. 许多理论都标榜以单一的原因解释生长。
- Culture shock does not always happen quickly or have one single cause. 文化冲击不总是很快发生或只有一种原因的。
- To question only why fox is rejected from the diet encourages a single cause? and? effect chain of reasoning that leads incorrectly to biological explanations. 单独质问为什么狐狸肉被排除在食物之外只能鼓励简单的因果链式的推理，从而错误地导致生物学解释。
- Scientists have cast doubt on the theory that there is probably a single cause for the word disorder dyslexia. 美国国家心理卫生研究院的研究员近来发现，每个文化都有其个别的识字障碍之原因。他们发现中国的孩子出现识字障碍的原因，可以追溯到脑部不同位置的运作，与西方孩童不尽相同。
- Tobacco is significantly becoming a greater cause of death and disability than any other single cause. 烟草是显着成为一个更大的原因，死亡和伤残比其他任何一个原因。
- While there is no obvious single cause, pesticides, parasitic mites and loss of woodland habitat are all considered culprits. 然而却没有一个明确的原因。农药，寄生虫，日渐减少的森林集居地都是罪魁祸首。
- Primary hypertension: Primary( essential) hypertension is of unknown etiology; its diverse hemodynamic and pathophysiologic derangements are unlikely to result from a single cause. 原发性高血压原发性高血压的病因学尚不清楚；其多种血液动力学和病理生理学改变决非单一病因所致。
- The letter was written on a single sheet of paper. 这封信只用一张纸写成。
- One single, second class, to winchester, please. 买一张去温撤斯特单程二等票。
- He got over the stream with a single leap. 他一跃就跳过了小溪。
- The bridge crosses the river in a single span. 河上那座桥是单跨桥。
- Do you want a single or a return ticket? 你要单程票还是往返票?
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- I have had to work for every single penny I earned. 我挣的每一便士都是辛苦工作得来的。
- The huntsman fired a single shot at the lion and settled its hash. 猎人朝那只狮子开了一枪，把它打死了。
- Five twenties and ten single, please. 请给我5张20元的和10张1元的。
- She wore a single orchid on her evening dress. 她在晚礼服上缀着一朵兰花。
- Up to yesterday, I thought he was single. 直到昨天，我一直以为他是独身。
- Can you let me have a room with two single bed? 可以给我一间两张单人床的房间吗？
- One of four offspring born in a single birth. 四胞胎之一一胎出生的四个孩子中的一个
