Moses will later marry Zipporah, one of these women, and live as a shepherd in Midian for about 40 years.

后来摩西与西坡拉结婚，西坡拉是那些女人中的一个，摩西作为一个牧人在米甸生活了大约四十年。

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Thanks to the efforts of the pioneer, about 40 percent of US schools now offer computer science as a subject.

由于先驱们的努力，现在大约有40%的美国学校设置了计算机科学这门课程。

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Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land.

更好的灌溉可以显著提高作物产量；目前，全球约40%的粮食供应都来自于灌溉地。

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The United States has nearly 68,000 troops in Afghanistan and there are about 40,000 from NATO and other allied countries.

VOA: standard.2009.10.26

Now these ideas of classes, object-oriented programming, data abstraction, are about 40 years old, they're not new ideas.

面向对象编程的概念，数据抽象的概念，都是40年前就有的老东西了。

麻省理工公开课 - 计算机科学及编程导论课程节选

That's down... probably about 50 blocks or so, 40 blocks. I'm going to walk down there. So I just like to walk.

动物园在离这里四五十个街区远的地方。我要走过去。我只是喜欢散步。

在中央公园溜达 - SpeakingMax英语口语达人

Up until now, prototype OLED panels have been limited to a max size of about 40-inches.

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This year's survey, expected to be carried out next month, will involve a team checking about 40, 000 burrows.

BBC: Farne Island rangers to carry out 'puffin census'

The service utilizes Wi-Fi hot spots, and is limited to designated zones in about 40 countries.

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