periphery
periphery 英 [pəˈrɪfəri] 美 [pəˈrɪfəri]
n. 外围，边缘
名词复数:peripheries
- When something is on the periphery of your vision, you can only see it when you’re looking sideways. Periphery means outside the boundary of something.
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- n. 外围，边缘
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1. industrial development on the periphery ofthe town
城镇周边地区工业的发展
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2. The condition makes it difficult for patients to see objects at the periphery of their vision.
这种病症使患者难于看见视觉边缘的物体。
- periphery (n.) late 14c., "atmosphere around the earth," from Old French periferie (Modern French périphérie), from Medieval Latin periferia, from Late Latin peripheria, from Greek peripheria "circumference, outer surface, line round a circular body," literally "a carrying around," from peripheres "rounded, moving round, revolving," peripherein "carry or move round," from peri "round about" (see peri-) + pherein "to carry," from PIE root *bher- (1) "to carry." Meaning "outside boundary of a surface" attested in English from 1570s; general sense of "boundary" is from 1660s.
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