If you make an "OK" sign with your thumb and finger, that is the shape for the letter "f" in American sign language.

如果你用拇指和其他手指做一个 “OK” 的手势，那就是美国手语中字母 “f” 的形状。

youdao

f You will get h and then you will get f.

得到h，然后求出。

youdao

Then if it approaches you here, f you will hear f prime, which is 1.003 times f.

如果它到这里，你会听到f撇，等于1。003乘以。

youdao

You can see it at the museum's Steven F.Udvar-Hazy Center in Chantilly,Virginia.

VOA: special.2009.03.18

So if you know a temperature F in Fahrenheit, you can output Celsius.

如果你知道一个华氏温度的温度值，你们输出摄氏温度。

哈佛公开课 - 计算机科学课程节选

int A Well, one, function has called swap, takes one int called A, printf followed by another int called B, and as we've seen with print F, if you have multiple arguments, you separate them by commas.

好的，函数叫做swap，一个参数是，另一个参数是int，B，我们看到的,如果你有好几个参数，把它们用逗号分开。

哈佛公开课 - 计算机科学课程节选

But once you learn how to play an F chord you become more deeply absorbed in playing the guitar.

NEWYORKER: Master of Play

And f believe that you, the nation that had the vision to put a man on the moon, are also the nation with the vision to protect and preserve our planet earth.

BBC: In full: Brown's speech to Congress

This gets reported on a Schedule C, C-EZ, or F, even if you do not have any business expenses.

FORBES: Taxes From A To Z (2013): M Is For Miscellaneous Income