double over造句

1、If it continues like this, he expects levels of pollution to double over the next 15 years.
如果继续这样下去，他预期污染水平将在接下来的15年内翻番。

2、Double over the map so that we can read it more easily.
把地图对折起来, 这样看起来更容易。

3、Demand for food is expected to double over the next forty years.
粮食需求预计在接下来的四十年翻一番。

4、Globally, the number of patients on dialysis is likely to double over the coming decade.
纵观全球，透析治疗的患者人数几乎是近十年的两倍。