fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
同义词：eyelet, loop, grommet, grummet
cringle详细解释
crin.gle n.Nautical （名词）【航海】 A small ring or grommet of rope or metal fastened to the edge of a sail.索环：一种固定于帆船边沿的绳索或金属上的小环圈或索眼 来源：Low German kringel [diminutive of] kring [ring] 低地德语 kringel [] kring的小后缀 [圈环] from Middle Low German 源自 中古低地德语
