一个测量可用的常识：手臂伸直两测指尖的距离就是你的身高。

When the third appeared, he thrust at it with the knife, only to feel the blade[刀片] snap as the fish rolled. 

Every song has its own story, and every story deserves to be told.

The study of Galois representations is a testament to the power of algebraic methods.

艺术的功能是使不可见的东西变得可见。