A number of water的意思|示意

A substantial number of innocent people are suffering from various kinds of incurable diseases due to water and air pollution.

由于水和空气污染，很多无辜人民患上各种不治之症。

Yellow tubes connect together a number of tanks and cisterns, around which coloured water can be pumped.

这种装置是将黄色的管子与一些桶和水池相连，他们周围都安置了水泵，能将彩色的水抽上来。

Since a number of EHEC infections have been caused by contact with recreational water, it is also important to protect such water areas, as well as drinking-water sources, from animal wastes.

由于很多肠出血性大肠杆菌感染因接触游憩用水所致，对于避免这类水域和饮用水源遭动物粪便污染也很重要。

"We cannot give a number," Hartogh said. "in principle, all of Earth's water may come from comets." However, it is still possible that a large-or the largest-fraction came from asteroids.

然而，到底有多少这样的水来自于这些彗星，还不还不清楚，需要做进一步的研究。

The city has proposed a number of water treatment and conservation projects the cost of which raises water bills high enough so that even environmentalists are beginning to raise alarms.

该市已经提出了一系列的水资源处理和保护项目，这些项目的成本大大提高了水费，以至于连环保人士也开始发出警告。

After the launch, a number of procedures required that the mechanics had to perform in water, and you know that is the North Sea.

下水后，水上飞机在水中需要进行一系列的程序，正如我们知道在北方舰队中的那样。