根部的英文：
root
root segment

参考例句：

The actual control condition at the root of the notch is more problematic
在缺口根部的实际控制条件是更难捉摸的。

I was twenty days hacking and hewing at it at the bottom.
砍断它的根部用了二十天。

But the sugar comes from the root.
产的糖来自其根部?

The actual control condition at the root of the notch is more problematic.
在缺口根部的实际控制条件是更难捉摸的。

The liquid permeates the hard core of the tare root.
液体渗透到莠草根部的硬核。

"A holster, with the heel of the butt of the handgun below the top of the belt; "
手枪后方根部低于腰带上缘的枪套。

A small knoblike outgrowth,as those found on the roots of many leguminous plants.
节、瘤小的球状长出物，长于许多豆科植物的根部

Rescale scene's root node to unit size
重放缩场景根部节点到单位尺寸

A confection of sweetened paste, formerly made from the root of the marshmallow plant.
蜀葵糖剂一种糖剂，以前由药用蜀葵的根部提取原料而制成 。

It was not without infinite labour that I fell'd this tree. I was twenty days hacking and hewing at it at the bottom.
我费尽辛苦才把树砍倒:用二十二天时间砍断根部

root是什么意思：
n. 根；根源；根基；词根；祖先
v. 生根；根源在于，来源于

nematode damage to the soybean roots is characterized by coarse roots
线虫破坏大豆根系的特征是:根系粗糙。

These plants have very deep roots.
这些植物的根长得很深。

Hope is the root of hopeful.
hope是hopeful的词根。

The whole group will be rooting for him.
全队的人都为他打气喝彩。

We rooted for the woman candidate.
我们支持那位女候选人。

segment是什么意思：
n. 部分；部门；切片，断片；线段
v. 分割，切割

instrumental segment
仪器测的音节

They get problems of segmentation.
他们会犯些分割句子的问题。

A ringlike structure,segment,or part.
环状物环状结构或部分

The scape is the first or basal segment of the antenna
柄节是触角的第一节或基节。

The cyanide treatment segment was continuous, but not automated.
氰化物处理部分是连续的，但不是自动的。