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| 1. | "Although benzene is often represented with alternating single and double bonds between carbon atoms, the electrons in the bonds are shared or delocalized in such a way as to make all carbon-carbon bonds alike. Benzene is a colourless, mobile liquid with a characteristic odour." |
| 虽然往往把苯描绘成碳原子之间按单、双键交替排列，但事实上键中的电子是共享的，或者说是非定域的，其结果是使所有的碳原子都是等同的。苯是无色、有特征气味的可流动液体。 |
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| 2. | Flinty odour. A characteristic odour taste of some dry wines made from grapes grown on certain siliceous soils. |
| 燧石般的气味：某些干葡萄酒的典型气味，它们以在高硅酸盐土壤中生长的葡萄酿制。 |
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| 3. | First, they have pronounced, characteristic odours which are important in determining the flavour and odour of certain dairy products, especially cheeses. |
| 首先,它们可以产生明显的特殊气味,这对于确定某种乳制品的风味及气味很重要,尤其是对奶酪制品。 |
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