单词whaleback
na.: 鲸背状物；〈美〉龟甲甲板船
网络: 鲸背船；龟背甲板；鲸背状沙丘
鲸背甲板
鲸背状物;〔美国〕龟甲甲板船
复数：whalebacks
building a proper quantity of whaleback-shaped soil slopes used for escaping for the earthworms during raining between ridges or in fields;
在垄间或田间地头处筑适量下雨时供蚯蚓逃生用的龟背形土坡；