youdao

He flicked a switch and all the lights went out.

他啪的一声按了下开关，灯全熄了。

《牛津词典》

With a lightning "switch" at their fingertips, materials scientists could find out what happens when mighty currents meet matter.

有一个便于取用的闪电“转换器”，材料科学家们就可以弄清当强大的电流与物质相遇时会发生什么。

youdao

Now let me switch to the implicit purposes of socialization and time-out.

现在转到深层目标,社会化和腾时间。

麻省理工公开课 - 媒体、教育、市场课程节选

He will recommend the council agrees to switch to all-out elections to coincide with the next election for a mayor in 2016.

BBC: Bristol City Council could save ?1m in voting change

Bristol elects a third of its councillors at a time, but from 2016 will switch to all-out elections to be held every four years.

BBC: Local elections 2013: Lib Dems lose nine seats in Bristol

Canned or dried food keeps well, but switch out non-perishable food about every six months to keep your disaster kit fresh.

CNN: Food Central - Y2K supplies: A preparedness checklist - December 9 , 1999