microscopic
Definition
So small as to be visible only under a microscope; extremely tiny.
中文 极小,只有在显微镜下才能看见的。
Example
"Dust mites are microscopic creatures that live in household dust."
So small as to be visible only under a microscope; extremely tiny.
中文 极小,只有在显微镜下才能看见的。
"Dust mites are microscopic creatures that live in household dust."