释义
n.
a stretch of salt water separated from the sea by a low sandbank or coral reef
（由沙坝、珊瑚礁与海隔开的）潟湖。
the enclosed water of an atoll
环礁潟湖。
〈北美，澳／新西兰〉 （大湖或河边的）小淡水湖。
an artificial pool for the treatment of effluent or to accommodate an overspill from surface drains during heavy rain
废水处理池；（大雨时用的）积水池。
词源
"early 17th cent.: from Italian and Spanish
