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.
空气中的微粒只有在显微镜下才能看到。
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.
微克是质量单位，等于一克的百万分之一。
translation
微小的, 百万分之一