Students can come into my office during scheduled office hours or any other time when I'm in the office and not busy.

同学们可以在预定的工作时间来办公室见我，至于其他时间，只要我在办公室而且不太忙的话也是可以的。

youdao

The effects can have a big impact on work performance, yet stress and long working hours frequently mean people in busy jobs get too little sleep during the week.

这些副作用还会严重影响工作表现。而压力和超时工作意味着工作中忙碌的人们在整个星期中都很少有时间睡觉。

youdao

It is commonly thought that much of the ozone- and haze-forming pollutants generated in metropolitan areas during a busy weekday are removed from the air during hours of darkness.

人们普遍认为，都市繁忙白天产生的大部分臭氧和烟雾在晚上的时候会消失。

youdao

The home page took about 10 minutes to load during the busy evening hours when I accessed the site, and downloading the 3MB player took more than half an hour.

CNN: Free player adds vision to Internet radio

Also, your vehicle can upload its position to road authorities, so they can use variable road tolls as a traffic management tool -- raising the price on busy stretches during rush hours.

CNN: Behold the?all-seeing, self-parking, safety-enforcing, networked car

Ho has been busy compiling feedback during the past 24 hours and the co-founding duo is already planning implementation of some of these features, with priority given to the most requested feature: history.

FORBES: Chrome Extension Turns Any Website Into a Chatroom