billabongsBNC²³⁶²¹³⁺¹ 基本例句 n.死河；死水潭原型billabong的三单 Farmers along the Darling worry that irrigated agriculture will take second place in the plan to billabongs oxbow lakes, wetlands and other environmental needs that have suffered for decades. 达令河沿岸农民担心政府在计划中会把死水洼地 U形湖、湿地和其他环保需求放在首位因为这些问题已困扰人们几十年了，而把农业灌溉放在次要地位。 ecocn