millimeter|millimetre

一个标准回形针大约厚一毫米。

A standard paper clip is about one ___millimetre thick.

这个精密工具可以测量到十分之一毫米以内。

The precision tool can measure to within a tenth of a ___millimetre.

他的投篮差一点点就进了，只差了毫厘。

His shot missed the basket by just a ___millimeter.