About half of all pregnancies globally are unintended.

全世界大约有一半的怀孕是意外怀孕。

Toddlers start to show concern for others around this time.

蹒跚学步的小孩大约从这时候开始表现出对他人的关心。

About 10 percent of lightning strikes take place when there's no precipitation.

大约10%的雷击发生在没有降水的时候。

Perhaps half of U.S. farm laborers are undocumented immigrants.

美国大约半数的农场劳工是无证移民。

About 60% of secondary schools are now independent academies.

大约60%的中学如今已成为独立学院。

About 400 miles of streets will be closed to cars.

大约400英里的街道将禁止通行汽车。

Child mortality was roughly half what it was as recently as 1990.

儿童死亡率大约是1990年的一半。

An hour of cycling really intensely on exercise bikes to burn off about two doughnuts.

在健身脚踏车上卖力地踩一小时才能消耗掉大约圈的热量。

And about 62 percent of respondents said self-driving cars would not make them more productive.

大约62%的受访者认为，自动驾驶汽车不会使他们更有效率。

A motorcycle produces about 95 decibels of noise.

一辆摩托车产生大约95分贝的噪音。

Paper straws can cost about eight times more than plastic straws.

纸质吸管的价格大约是塑料吸管的八倍。

A typical village had around 250-300 inhabitants, most of them related by blood or marriage.

一典型的村庄大约有 250-300 名居民，他们中的大多数人都有血缘或婚姻关系。

About 95% of those who voted approved the charter.

大约95%的投票者赞成该宪章。

The popular cafe can be reached in about 30 minutes from the center of Bangkok.

这家颇受欢迎的咖啡店距曼谷市中心大约30分钟的路程。

He had a dark face, with angry-looking eyes, and was about thirty-five.

他脸色黑黑的，有着一双呈怒视状的眼睛，大约35岁的样子。

With the initial search sign roughly half the size of the United States.

最初的搜索面积大约是美国的一半。

We had about 15 miles to the source.

我们有大约15英里的路程。

About 30 percent of the world's crude oil passes through it.

世界上大约30% 的原油要经过这里。

Around 80 percent of the total attempts were in the last three months.

大约80% 的尝试是在过去的三月里。

By partial shutdown, we mean that about 25 percent of the government is closed.

部分关闭意味着大约25% 的政府关闭了。