Part 1 字首 表示{程度}的字首 micro- = tiny 小
入门字
microscope (n.) 显微镜
micro/ scope
small/ look
进阶字
1. microcosm (n.) 小宇宙，缩影
mircro/ cosm
tiny/ universe
A spoonful of pond water, with its countless microscopic organisms, is a microcosm of the larger pond ecosystm from which it is drawn.
一匙池水就是整个吃糖的缩影，里面无数的微生物反映出整个吃糖的生态系统。