Exhale through one nostril, using your fingers to close the opposite nostril.

用手指挡住一个鼻孔，用另一个鼻孔呼气。

youdao

It kind of seems to me to be at the same level as using mathematical knot theory or topology to justify crossing your fingers when you're making a wish.

就我看来，这就像用数学的扭结理论或者拓扑学来论证你许愿时交叉手指一样困难。

youdao

Many number systems are based on 12 because it's divisible by the most Numbers, and because you can count to 12 on one hand by using your thumb to count three knuckles on each of the other fingers.

许多数字体系都是基于12的，因为12可以被多数数字约分，还因为你可以一只手仅靠大拇指，数每个指头的指节，就能数到12。

youdao

That leads us to the main buttons you'll be using, which are conveniently planted where your index fingers and thumbs would naturally land on the earcups.

ENGADGET: Tritton Warhead 7.1 Wireless Surround Sound Headset for Xbox 360 review