By 2016, the average American high school senior said they spent six hours a day writing text messages, on social media, and online during their free time.

截至2016年，美国高中高年级学生说他们在空闲时间里平均每天要花6个小时的时间写短信、上社交媒体以及上网。

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Some five years ago, high school seniors in America generally spent more than six hours a day on electronic devices.

大约五年前，美国高三学生每天花在电子设备上的时间一般超过六小时。

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In fact, poor eyesight among Chinese primary and high school students rose from 59.2 percent to 70.6 percent in the first six months of 2020, according to the Ministry of Education.

事实上，根据教育部的数据，2020年前6个月，我国中小学生视力不良的比例从59.2%上升到70.6%。

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But Dennis Jin disagrees: For high school students in China, we must reach class at six-twenty in the morning and be back home sually at ten in the evening.

VOA: special.2010.10.14

Like in high school, every day I would be in school for like six and half hours.

我在高中的时候，每天都会在学校学习六个半小时。

耶鲁的忙碌生活 - SpeakingMax英语口语达人

Zora was twenty-six years old when she began high school.

VOA: special.2009.02.22

Anywhere from six to nine high school wrestlers (depending on the report) from the Tucson, Ariz.

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The last time she went camping was six years ago, in high school.

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Over the next decade Dulany got a doctorate in education and then spent six years running an alternative high school in Boston.

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