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- Notice that, according to Hubble's law, the universe does not expand at a single speed . 请注意，根据哈伯定律，宇宙并不是以单一的速度膨胀。
- In factories, it can design the simplex winding multiple-speed motors to change the type of winding attachment about the current single speed motors. 在工厂中，通过对现有的单速电机进行绕组改绕来设计单绕组多速电机。
- According to the actual working condition of the electric motor on ground drive screw pump, two kinds of new motors are proposed, that is the gearshift multi-power single speed motor and speed regulating pole change motor. 摘要根据地面驱动螺杆泵电动机的实际工况，提出了分挡多功率单速和变极调速2种新的电动机设计方案。
- Single speed motor drive connected to a Helical Worm Gear and a totally enclosed Connecting Gear Box with heavy duty chain drive to the rolls and with fixed friction ratio according to customers request (normally 1: 1,2). 系统带有同螺旋涡齿轮以及全封闭齿轮箱的单速马达，它带有重型链传动系统并可根据客户的需要固定摩擦比（通常为1:1.;2）。
- Single speed hand winding machine 单速手摇绕线机
- single speed full voltage 480V AC motor 单速480V交流电动机
- 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
- For strong sewing use double, not single thread. 为了缝得牢，用双线，而不要用单线。
