adj.硬皮的，外壳的

The crustaceous layer on the fossil indicated its age.
化石上的石灰质层表明了它的年代。
The seafood platter was filled with various crustaceous delights.
海鲜拼盘里装满了各种美味的甲壳类海鲜。
The ancient shipwreck was encrusted with crustaceous growths.
古代沉船被石灰质生物覆盖。
He carefully studied the crustaceous fossils found in the cliff.
他仔细研究在悬崖中发现的石灰质化石。
The crustaceous shell of the lobster made it challenging to eat.
龙虾的石灰质外壳使得食用起来颇具挑战。
The beach was littered with crustaceous remnants from the tide.
海滩上散布着潮汐留下的石灰质残骸。
Crustaceous creatures like crabs and shrimp are abundant in this region.
这个地区有很多像螃蟹和虾这样的甲壳类生物。
The crustaceous rocks contained valuable mineral deposits.
石灰质岩石中含有宝贵的矿物沉积物。
The child's curiosity led him to collect various crustaceous fossils along the shoreline.
孩子的好奇心驱使他在岸边收集各种石灰质化石。
The crustaceous exoskeleton of the insect protected it from predators.
昆虫的石灰质外骨骼保护它免受捕食者的伤害。