n.码头，防波堤；桥墩；窗间壁； 变形： 复数：piers 双语释义：n.(名词)[C]水上平台，码头 structure of wood or stone, etc.built out into the sea and used as a landing place for boats or as a place to work英英释义： pier[ piə ]n.a platform built out from the shore into the water and supported by pi