副根的英文：
【医】 accessory root

accessory是什么意思：
n. 附件，配件；饰品；从犯
adj. 附加的，附属的；同谋的；副的；辅助的

Paul was made accessory to the theft.
保罗被利用为从犯。

A radio is an accessoriness to a car.
收音机是汽车的附件。

He was an accessoriness to the murder.
他是那件谋杀案的从犯。

accessory shaft hub
副轴衬套

He was an accessory to the murder.
他是那件谋杀案的从犯。

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。