turtleback k龟甲
turtleback detail龟背地形
turtleback terrain龟背地形
turtleback turret成形架
Turtleback Golf Club龟甲高尔夫俱乐部
N（名词） an arched projection over the upper deck of a ship at the bow and sometimes at the stern for protection in heavy seas 龟甲甲板