劍橋詞典[ 可數(shù)名詞：有復(fù)數(shù)形式的名詞 ] an official who is employed to watch the sea near to a coast for ships that are in danger or involved with illegal activities 水上警察；海岸警衛(wèi)隊(duì)隊(duì)員 ?the coastguard [ 單數(shù)名詞 ] the official organization that coastguards belong to 海岸警衛(wèi)隊(duì) 返回 coastguard