We didn't have that in the eight-millimeter days. We had to lug a projector, we had to plug it in to somebody's wall, put up a screen and show it to someone patient enough to sit there for five minutes and watch.

VOA: special.2011.06.20

The gap could be about one ten-thousandths of a millimeter wide.

这个缝隙大约只有0.1微米那么宽

耶鲁公开课 - 心理学导论课程节选

"In one day in Ouagadougou, the rain represented 300 millimeter for one day."

VOA: standard.2009.09.05