1. The program counts the number of occurrences of any word, within the text. 这个程序可以统计任何单词在文本中出现的次数。
2. We can see past occurrences of climate change that took place over just a few hundred years. 我们可以看到过去几百年里发生的气候变化。
3. They are subject to climatic occurrences such as weather systems, which impact upon hemispheres as a whole, and from continent to continent. 它们受到气候变化事件的影响,例如天气系统能影响整个半球和各大洲都有影响。
4. Occurrences of food shortages and droughts are causing famine and distress in some areas, and industrial and agricultural by-products are polluting water supplies. 粮食短缺和干旱的出现导致了一些地区的饥荒和灾难,而且工业和农业的副产品也污染了水源。
5. Yet occurrences of food shortages and droughts are causing famine and distress in some areas, and industrial and agricultural by-products are polluting water supplies. 然而,粮食短缺和干旱的出现导致了一些地区的饥荒和灾难,而且工业和农业副产品也污染了水源。