| 正面 | 8509.peripheral 英 [pə'rɪf(ə)r(ə)l]美 [pə'rɪfərəl]     |
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| 背面 |     释义： 发音想成“超他”（我一路小跑超过他）1. tread => trot.adj. 外围的；次要的；（神经）末梢区域的n. 外部设备 例句： 1. Science is peripheral to that debate.科学并非那场辩论的重点。 peripheral 外围的，不重要的来自periphery,外围，边缘。引申词义外围的，不重要的。 peripheral (adj.)1803, from periphery + -al (1). An earlier formation was peripherial (1670s). Related: Peripherally. As a noun, peripherals, "peripheral devices of a computer," is from 1966." |