In lots of schools, if a student needs to bring a phone to school, his or her parents will have to write a statement and make sure that the phone is turned off during class.

在很多学校，如果学生需要带手机来学校，他或她的父母必须写一份声明，确保手机在课堂上是关闭的。

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7 million tons of plastic is turned into bottles which are only used once each year.

每年有700万吨塑料被制成塑料瓶，而这些塑料瓶只被使用一次。

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Second, the people you work with need to negotiate a "What if..." agreement covering "What if my idea is turned down?"

其次，与你共事的人需要考虑一个“如果……”的问题，包括“如果我的想法被拒绝该怎么办？”。

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The driver follows the directions and makes turns based on sounds that the steering wheel makes when it is turned.

VOA: special.2009.11.03

Now,this is the very early stuff when your body's still developing and your brain hasn't turned on yet, or your brain is turned on,but it hasn't actually become a person yet,right?

而这里，你的肉体还在开发中,是大脑还没有完全开智的早期阶段，或者说你还没有完全成为人的阶段？

耶鲁公开课 - 死亡课程节选

Make sure the gas is turned off.

一定要把煤气关了。

Make sure 课堂 - SpeakingMax英语口语达人

In the hands of chocolatier Thomas Scheiblhofer, high-quality chocolate is turned into beautifully presented truffles.

BBC: In the kitchen with Viennese history

Once that develops into an oversupply profits evaporate and the investment spigot is turned off.

FORBES: SIA: Semiconductor Sales Flat in August

Here Burke's sublime is turned on its head, and human capability seems to humble nature.

ECONOMIST: Disasters are about people and planning, not nature��s pomp