1
an efferent
efferent 作为可数名词，常与不定冠词连用。
The surgeon identified an efferent.
外科医生识别出一根输出管。
输出管；传出管
efferents — plural of efferent
先理解核心含义，再看它在真实句子里的用法。
输出管；传出管
A duct or stream that carries away.
The surgeon identified an efferent.
外科医生识别出一根输出管。
输送离开的管道或水流。
A duct or stream that carries away.
The efferent carries signals from the brain to the muscles.
输出管将信号从大脑传递到肌肉。
In the reflex arc, the efferent sends motor commands to the effector.
在反射弧中，输出管向效应器发送运动指令。
Damage to the efferent can disrupt voluntary movement.
输出管受损会扰乱随意运动。
efferent 作为可数名词，常与不定冠词连用。
The surgeon identified an efferent.
外科医生识别出一根输出管。
表示特定器官或组织的输出管。
The efferent of the gland carries secretion away.
该腺体的输出管将分泌物输送出去。
Not this
The efferent nerves carry signals to the brain.
Use this
The afferent nerves carry signals to the brain.
Efferent 意为传出（从中枢向外），而 afferent 意为传入（向中枢）。此处描述向大脑传递信号，应使用 afferent。
Not this
The efferent were damaged in the accident.
Use this
The efferents were damaged in the accident.
Efferent 作为名词时是可数名词，复数形式需加 -s。句中主语为复数概念，应使用 efferents。
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.