pierKK [ˋpɪr] /ˈpɪɹ/名詞1碼頭、棧橋We walked to the end of the pier to watch the sunset.我們走到碼頭的盡頭看夕陽。2橋墩Engineers found cracks in one of the bridge's concrete piers.工程師在橋的一座混凝土橋墩上發現裂縫。3柱墩、壁柱建築Thick stone piers support the arches of the old cathedral.厚實的石造柱墩支撐著這座老教堂的拱頂。