micrometer
US /maɪˈkrɑː.mə.t̬ɚ/
UK /maɪˈkrɒm.ɪ.tər/
名詞
1.
千分尺
a measuring instrument that uses a screw thread to convert small distances into large rotations of a screw, which are then read from a scale or dial
範例:
•
The engineer used a micrometer to measure the thickness of the metal sheet.
工程師使用千分尺測量金屬板的厚度。
•
Precision measurements often require the use of a micrometer.
精密測量通常需要使用千分尺。
2.
微米
a unit of length equal to one millionth of a meter
範例:
•
A human hair is typically about 50 to 100 micrometers thick.
人類頭髮的厚度通常約為50至100微米。
•
Bacteria are often measured in micrometers.
細菌通常以微米為單位測量。