micro
🇺🇸
/maɪkrəʊ/
🇬🇧
/maɪkrəʊ/
adjective
R
Very small, not easily seen without special tools.
The micro particles in the air are only visible under a microscope.
空氣中的微粒只有在顯微鏡下才能看到。
R
One millionth of something, used in science for very small measurements.
The microgram is a unit of mass equal to one millionth of a gram.
微克是質量單位，等於一克的百萬分之一。
translation
微小的, 百萬分之一