我从顶楼朝下看时感到头晕目眩。

When I looked down from the top floor, I felt giddy.

《牛津词典》

他看上去是从楼梯井口头朝下摔下来的。

He had apparently fallen headfirst down the stairwell.

《柯林斯英汉双解大词典》

把扑克牌正面朝下放在桌上，然后切牌。

Place the cards face down on the table and cut them.

《柯林斯英汉双解大词典》

So Aaron, feeling the heat, makes a golden calf, and the people bow down to it, and someone declares, "This is your God, oh Israel, who brought you out of the land of Egypt."

所以亚伦，感受到躁动，造了一只金牛犊，人们朝它下拜，有人说，“这就是上帝，犹太人，这就是把你们带出埃及的上帝“

耶鲁公开课 - 旧约导论课程节选

/2 You can have it equal to plus 1/2, and that's what we call spin up, 1/2 or you can have it equal to minus 1/2, which is what we call spin down.

它可能会等于，我们叫它自选朝上，或者它等于负，我们叫它自旋朝下。

麻省理工公开课 - 化学原理课程节选

You saw that in the way he stood bobbing his head, always looking down, nodding like a young boxer to instructions to make you think he was listening to every word, throwing in a thousand "yes"es and "that's right."

你看他站着摇头晃脑的样子，总是朝下看，像年轻的拳击手听指令时一样,那样晃着脑袋，好让你觉得他在听你说的每个字，一边不断附和着“是““对“

耶鲁公开课 - 1945年后的美国小说课程节选