In general, each of us needs about 8 hours of sleep each day to keep us healthy and happy.

一般来说，我们每个人每天需要大约8个小时的睡眠，以维持健康和保持愉悦。

youdao

We stayed at the park for about 8 hours. It was a really exciting day.

我们在乐园里待了大约8个小时，它可真是激动人心的一天。

youdao

We stayed at the park for about 8 hours... it was a really exciting day.

我们在乐园里待了大约8个小时，它可真是激动人心的一天。

youdao

Most people will want faster 240-volt charging, which can do the job in about 8 hours.

FORBES: Charging EVs Should Be Easy, Survey Finds - Duh!

NOOKcolor weighs about a pound and its battery life is estimated at about 8 hours between charges.

FORBES: New NOOKcolor E-Reader 'Nails It'

It uses NFC-equipped tags that pop into the end of each club and a hip-mounted "GYG" device to collect the data with a battery life of two rounds (about 8 hours) -- and no need to pack a smartphone or tablet onto the course.

ENGADGET