unknowns造句

The length of the war is one of the biggest unknowns.
战争要持续多久是最大的未知数之一。

There are many unknowns in science.
科学上还有许多未知之处.

It was like a single equation with two unknowns.
这挺像两个未知数组成了个简单方程.

• #unknowns