好词典

peripheral

UK //pəˈrɪfərəl//US //pəˈrɪfərəl//

词源

源自晚期拉丁语 'peripheralis',来自希腊语 'peripheria'(圆周,外围),由 'peri-'(周围)和 'pherein'(携带)组成。

adjective

❶ 指与某事物的主要部分或核心关系不大,处于边缘或次要位置的。常用于描述不重要的细节或辅助设备。

“The meeting focused on the main issue, not the peripheral details.”

(会议集中讨论了主要问题,而非那些次要细节。)

“Her role in the project was peripheral at best.”

(她在这个项目中的角色充其量只是边缘性的。)

❶ 在解剖学中,指位于身体外围或远离中心的部位,如四肢或末梢神经。

“Peripheral nerves carry signals to and from the central nervous system.”

(周围神经负责向中枢神经系统传递信号。)

“The doctor checked for any signs of peripheral artery disease.”

(医生检查是否有外周动脉疾病的迹象。)

同义词:marginal, secondary, outer, incidental, tangential

noun

❶ 计算机的外围设备,指连接到计算机主机但非核心组成部分的硬件设备。

“The printer is a common computer peripheral.”

(打印机是常见的计算机外围设备。)

“He bought several new peripherals for his gaming setup.”

(他为游戏设备购置了几个新的外设。)

同义词:accessory, add-on, device, component, attachment

常见短语

peripheral vision — 指人眼能看到但不在直接视线范围内的视觉区域,即余光。

“The runner noticed movement in his peripheral vision.”

(跑步者用余光注意到了移动。)

peripheral nervous system — 神经系统的一部分,包括除脑和脊髓外的所有神经,负责传递信息。

“The peripheral nervous system connects the brain to the limbs.”

(周围神经系统将大脑与四肢连接起来。)