The waves were about five feet high now, and the bow of the boat was leaping up and down.

浪头现在约有五英尺高，船头上下颠簸。

《柯林斯英汉双解大词典》

She called down something about coal dust and sawdust, someone called back up to her, and she laughed.

她朝楼下说了一句煤灰和锯屑的话，有个人回了她一句，她发出笑声。

youdao

Just pull up the menu, scroll down and select About Phone, then select Status.

只要拉起菜单，向下滚动，选择关于手机，然后选择状态。

youdao

Mr.Brown was asked about those sentiments being expressed up and down the country.

VOA: standard.2009.11.10

They're colored different here to indicate one new difference that you know about now, and that's that there is an orientation, there's an up and down on the chain.

这里被涂成不同的颜色,来表示另一个不同之处,它是有方向的,表示双链一条向上,一条向下

耶鲁公开课 - 生物医学工程探索课程节选

So it's about 15 up and 15 down, then afterwards.

所以，大约是15分钟往上，15分钟往下，然后开始下一轮。

关于伦敦眼的回忆 - SpeakingMax英语口语达人

"Last year we were seeing lots up and down the river, but this year after about a month searching up and down to see if they were still about, we still couldn't find them, " he said.

BBC: Framlingham wildlife filmmaking twins Paul and Ryan

If you are a DSL customer, you have a guaranteed data speed for both up and down links, usually about 3 mbps down and 1 mbps up.

FORBES: AT&T Data Cap Puts Squeeze On Netflix, AppleTV

The Consumer Confidence Index, a survey of how optimistic or pessimistic people feel about the economy, has been up and down in 2010, and consumers still feel pessimistic about the job market.

FORBES: Eight Signs Of A Real Estate Rebound