He always runs up and down the stairs.

他总是跑着上下楼。

youdao

DBUnit is about maintaining database integrity across test runs (and in fact you can use DBUnit as part of the set up and tear down of your tests in Twist).

DBUnit是关于跨测试执行(test runs)去维护数据库完整性(事实上，在Twist测试中，你可以使用DBUnit作为测试初始化和运行结束的一部分)。

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You can enter custom start and stop times to filter out data from the ramp-up or ramp-down phases of test runs.

您可以键入自定义的起始和终止时间，从这个测试运行的倾斜上升或者倾斜下降的阶段过滤出数据。

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At hack events that she runs up and down the country, there is usually less than 5% female attendance.

BBC: Will the next Zuckerberg be female?

Adjusting the light is also quite nice, with a dimmer switch that runs up and down and a whole lot of brightness levels.

ENGADGET: Amazon Kindle Paperwhite hands-on (Update: video)

The train is the Ghan, a long-established service that runs up (and down) the centre of Australia from one coast to another on a three-day trip of almost 2, 000 miles.

BBC: Five unforgettable rail journeys