VOA慢速英语:More of Us to Go Thirsty As Earth Dries Up

短语讲解：

1. It would cost at least twice or three times as much to desalinate sea water as it would cost to buy imported water.

at least 至少
例句：For that day at least he lost heart.
至少这一天他是垂头丧气的。

2. Heat waves could become the norm in the Persian Gulf by the end of the century.

by the end of 到…为止
例句：By the end of the game, the stadium was almost vacant.
到比赛结束的时候,体育馆几乎空了。

3. According to a new research, the combination of intense sun and shallow waters makes the Persian Gulf area "a specific regional hotspot where climate change is a threat to human health.

according to 根据，按照
例句：But simple I according to my skill.
很简单，我将按我的技能行事。

4. But when it's very humid, evaporation is slowed and it's harder for the body to cool down.

cool down 降温; 冷静下来
例句：It took Charles a long time to cool down after the argument.
争论过后好久,查尔斯才得以平静下来。

5. "It is an upper limit to adaptability to climate change due to heat stress," MIT researcher Elfatih Eltahir told reporters at a news conference called to discuss the findings.

due to 由于; 因为
例句：The discovery is due to Newton.
该发现应归功于牛顿。

6. The study that showed the consequences of a “business-as-usual” situation where nothing is done about greenhouse gasses, also points out that curbing emissions could prevent deadly temperature extremes.

point out 指明; 指出
例句：Please don' t take it amiss, if I point out your errors.
假如我指出你的错，请别见怪。