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- single negative medium 单负介质
- Each electron bears a single negative charge. 每一个电子都带有一个负电荷。
- Closer communications with the sister projects would also help prevent PR issues, like the recent negative media attention regarding Wikinews. 此外，与姊妹计划密切的沟通可防止公关上的问题，如最近有关维基新闻的负面形象。
- The recent food-quality safety has a lot of negative media coverage, such as the packin extrnsion food contaminants, milk powder and bags for the benzene content of overproof and so on. 最近关于食品包装安全方面的负面报导有很多，比如膨化食品包装袋有异味、奶粉包装袋苯含量超标等等。
- 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。
- Single rose-red. Medium green. Large. 单瓣的玫瑰色~红色的花，中绿色叶。大型。
- 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
- Single chimera medium pink/blue fantasy, stripe. 单瓣缟花，粉红色为底，有蓝色喷点跟线条内缟，
- Photon tunneling in a frustrated-total-internal-reflection structure composed of a single negative material 含单负介质层受阻全内反射结构的光子隧穿现象研究
