Micrometer
01
千分尺, 游标卡尺
a precise handheld measuring tool typically used to measure very small distances between 0 and 25 mm
例子
The scientists used a micrometer to measure the diameter of individual cells under the microscope.
科学家们使用千分尺在显微镜下测量单个细胞的直径。
02
微米, 公忽
a unit of length in the metric system equal to one millionth of a meter
例子
The conductive nanotubes were only a few micrometers in diameter and needed to be viewed under an electron microscope.
导电纳米管的直径只有几微米，需要在电子显微镜下观察。
