She bent down, picked up a rock, and threw it into the trees.

她弯下腰，拣起一块小石头，把它扔进树林里。

《柯林斯英汉双解大词典》

They set off at a jog up one street and down another.

他们跑步出发，沿着一条街跑过来又沿另外一条街跑过去。

《柯林斯英汉双解大词典》

He immediately threw a tantrum, screaming and stomping up and down like a child.

他立刻发起脾气来，尖叫着，像孩子似的来回跺脚。

《柯林斯英汉双解大词典》

Stock prices took a roller-coaster ride this week -- down one day,up the next.

VOA: special.2009.08.21

Having done that, it goes back up and picks the second sub-list, which came from there. It's a down to base case, merges it.

就是从那里得来的,完成这些后,回到上一步。

麻省理工公开课 - 计算机科学及编程导论课程节选

And if you're our zero just continue standing there awkwardly, Alright. So with that said, we have a three-letter word so we'll have three rounds of hands going up or down.

如果你代表0，就站在那里别动，好，那么，我们有三个字母的单词,因此我们分三次分别表达这三个字母。

哈佛公开课 - 计算机科学课程节选

Mark-up to mark-down is a pricing strategy whereby retailers set regular merchandise prices high and then turn around to offer customers discounts.

FORBES: J.C. Penney Is Bringing Back The Old Sales Model: Will It Work?

He was five shots out of the lead, until making a 20-foot birdie on the 15th and coming close to the water on the 18th, stopping short of a bunker for an up-and-down birdie that gave him a 71.

NPR: Guthrie, Thompson Tied For Honda Classic Lead

It seems like this technology will not be available for mass production for a couple years yet, so the first generation iWatch may look more like a souped-up iPod Nano or a slimmed-down screen iPhone on a strap than a snap bracelet.

FORBES: Apple's Rumored iWatch And Why It Matters