您要查找的是不是：
- A person's face is often an index of his mood. 一个人的脸部表情常常反映这个人的情绪。
- Detecting the density of pollutant gas is one of the important applications of lidar.The minimum detectable concentration is a key index of lidar. 探测大气中污染气体的浓度是激光雷达的一个重要应用方面,最小可探测浓度是衡量一个雷达系统的重要指标。
- We now come to the question of pollution. 我们现在开始谈污染问题。
- Some sources of pollution have been curbed. 对原有的一些污染源进行了治理。
- There's a lot of pollution in the air here. 这里的空气有大量的污染物质。
- Well,let's turn to the problem of pollution. 那么，我们讨论污染问题吧。
- The increasing sale of luxury goods is an index of the country's prosperity. 奢侈商品销售量日增是该国繁荣的标志。
- Unclear waste is a kind of pollution. 核废弃物是一种污染。
- What kind of pollution is the most risky? 什么样的污染是最危险的?
- The face is the index of the mind. [谚]脸是心灵的镜子。
- Any kind of pollution will do harm to health. 任何污染都会危害健康。
- Color is commonly an index of ripeness or spoilage. 色泽一般是成熟和败坏的标志。
- I'd like to clear up the point of pollution. 我想弄清楚污染的问题。
- Retrospect and prospect of pollution ecology. 污染生态学研究的回顾与展望。
- On the subject of pollution, it's a global problem. 有关污染,这是个全球性问题。
- Busy factories are an index of prosperity. 忙碌的工厂是繁荣的表徵。
- Noise is another kind of pollution . 噪音是另外一种污染。
- Gets or sets the index of the displayed record. 获取或设置所显示的记录的索引。
- accumulation index of pollutants 污染物积累指数
- Let's turn to discussing the problem of pollution. 让我们把话题转向讨论污染问题。
