细微的英文：
fineness
imperceptibility
mite
remoteness

参考例句：

An imperceptible change
极细微的变化

A highly nuanced word
一个字义差别细微的字

New and strange objects have also been found at this infinitesimal level--the strangest of all being the quarks
在极细微的层次里，同样发现了奇妙的新客体，而最奇妙的是夸克。

A nice distinction
细微的区别

Subtle distinction,etc
细微的差别等.

A subtle distinction
细微的区别

Having little substance or significance;very slight
空洞无物的;无关紧要的;细微的

Measured the line with pinpoint accuracy.
以细微的精度测量线条

Lacking substance or concreteness;tenuous or indefinite.
不可靠的，不具体的;细微的或模糊的

This stage is for watching slight organisms.
镜台是用来观察细微生物的。

fineness是什么意思：
n. 优良,精致;细微;敏锐

Fine feathers make fine birds.
美丽的羽毛造就美丽的小鸟(人要衣装)。

Fine feathers make fine Birds
佛要金装,人要衣装

It is a fabric of fine fiber.
它是一种质地细的织物。

imperceptibility是什么意思：
n. 无法感知,目所不见,细微

Its own elliptic motion around it will be almost imperceptible
它绕着质心的椭园运动就几乎看不出来。

mite是什么意思：
n. 螨；小孩；一点点；微小的东西

a mite of a child
身材很矮小的小孩,小不点儿

A widow's mite.
寡妇的一文钱。

He is a mite of a child.
他是一个小不点儿。