你知道蚊子能飞多远吗?

短语讲解：

1. In Olde in the Netherlands, authorities are dredging a huge bowl in the northern rural part of the country to head off floodwaters and protect towns and villages from disaster.

head off防止…发生
例句：They could think of no way to head off the inflation.
他们想不出避免通货膨胀的办法。
protect from保护, 保卫
例句：An umbrella will protect you from the rain.
雨伞可以保护你不至于淋雨。

2. This is why authorities have set out to determine where they should build low dikes to hem in the meter-deep water containment area.

set out着手, 开始
例句：The government has set out to make many needed reforms.
政府开始进行许多必要的改革。

3. In other words, they wanted to find out how far a common European human-biting mosquito could fly from its breeding ground.

find out发现, 看穿, 揭发, 找出;查明
例句：We must find out the truth of the matter.
我们必须弄清楚事情的真相。

4. Piet Verdonschot, who conducted the research, says the scientists' finding surprised them: A hungry female looking for a "host" will fly at least three times farther than the distance that researchers previously believed.

look for寻找
例句：She is looking for her lost child.
她正在寻找失去的孩子。

5. Most of them will stay, and some of them will fly away.

fly away离开, 飞离
例句：When winter comes, some birds will fly away to the south.
冬天到来时, 一些鸟就会飞到南方去。