A study in Sweden indicated that kindergarten children who could play in a natural environment had less illness and greater physical ability than children used only to a normal playground.

瑞典的一项研究表明，能够在自然环境中玩耍的幼儿园儿童比只能在普通操场上玩耍的儿童患病更少，体能更强。

youdao

youdao

This normal human reaction is used to protect us by signaling danger and preparing us to deal with it.

人类的这种正常反应是用来保护自身的，这种反应向我们发出危险信号，让我们做好应对危险的准备。

youdao

I didn't use the normal approximation there-- that's obvious--I used the binomial itself.

我显然并没有用到正态分布,我用了二项分布

耶鲁公开课 - 金融市场课程节选

Students who had received the ugly handouts scored higher on tests of the material than did their peers who had used normal type.

FORBES: Want Your PowerPoint Remembered? Use an Ugly Font.

More significantly, the fact that they do not provoke inflammation means they it might be possible to use them to repair the wounds of patients with conditions such as diabetes, in which chronic skin infections often get in the way of healing when normal stitches are used.

ECONOMIST: Monitor

On the 787, the batteries aren't used during normal cruising flight, but they are continually charged by the plane's onboard generators.

WSJ: The Science Behind Dreamliner's Batteries