1
the afferent(s) + that + clause
使用 that 从句修饰 afferent 时，通常用定冠词 the 表示特指。
The afferent that carries pain signals enters the spinal cord.
传递痛觉信号的传入神经进入脊髓。
传入神经
先理解核心含义，再看它在真实句子里的用法。
传入神经
A nerve that carries impulses from receptors toward or to the central nervous system
The afferent that carries pain signals enters the spinal cord.
传递痛觉信号的传入神经进入脊髓。
传入结构或连接
An afferent structure or connection
将冲动从感受器传向或传入中枢神经系统的神经
a nerve that passes impulses from receptors toward or to the central nervous system
The afferent carries sensory signals from the skin to the spinal cord.
传入神经将皮肤的感觉信号传至脊髓。
Damage to this afferent may disrupt the reflex response.
这条传入神经受损可能会干扰反射反应。
Each afferent connects a receptor to the brain or spinal cord.
每条传入神经都将感受器与大脑或脊髓相连。
使用 that 从句修饰 afferent 时，通常用定冠词 the 表示特指。
The afferent that carries pain signals enters the spinal cord.
传递痛觉信号的传入神经进入脊髓。
在描述传入神经的纤维走向时，常与 from（起点）和 to（终点）搭配。
Afferents from the skin relay sensory information to the central nervous system.
来自皮肤的传入神经将感觉信息传递到中枢神经系统。
Not this
The spinal cord contains many afferent that carry sensory information.
Use this
The spinal cord contains many afferents that carry sensory information.
afferent 是可数名词，表示“传入神经”，复数形式为 afferents。汉语名词没有复数变化，学习者容易漏掉结尾的 -s，因此这里应使用 afferents。
Not this
Afferents carry signals away from the central nervous system.
Use this
Afferents carry signals toward the central nervous system.
afferent（传入神经）的功能是把信号从感受器传向中枢神经系统，而不是从中枢神经系统向外传出；向外传出的应使用 efferent。错误句把方向说反了，所以改为 toward 才符合 afferent 的定义。
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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, WORDNET.