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- Two or more atoms behaving or regarded as behaving as a single chemical unit. 原子团两个或两个以上原子做为单一的化学单位运动
- This substance can be reduced to a single chemical and oxygen by passing an electrical charge through it. 通电后，这种物质可以被分解为一种单一的化学制品和氧。
- This substance can be reduced to a single chemical and oxygen,by passing an electrical charge through it. 该物质可电解成一种化学单质和氧气。
- For all its wonderful differences, life on earth is merely an imaginative variation on a single chemical theme. 尽管有种种惊人的差别，地球上的生命不过是在单一化学基础上进行着富有想象力的变化。
- This substance can be reduced to a single chemical and oxygen, by passing an electrical charge through it. 该物质可电解成一种化学单质和氧气。
- The manufacture of thiamine from the simple substances present in the minimal medium does not take place in a single chemical reaction. 从最低培养基中的简单物质制造硫胺素，不是通过单一的化学反应。
- One of the spatial arrangements of atoms in a molecule that can come about through free rotation of the atoms about a single chemical bond. 构象单一化学原理中通过原子的自由旋转而形成的分子中原子的空间排列。
- Abstract: The bioavailability of heavy metals (HM) in soils and sediments could be evaluated by single chemical extraction methods. 中文摘要: 土壤和沉积物中重金属被植物吸收利用可通过单一化学萃取方法评估。
- single chemical compound explosive 单质炸药
- 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。
- single chemical reaction between hydrogen and oxygen 氢氧之间的单一化学反应
- 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。
