1、硬岩
... Hardpan 硬土墙 Hard stone 硬岩 Hard rock 硬岩 ...
2、硬石
... Concept Thesaurus » 概念同义词库 hard stones » 硬石 sincerely Stephen curtis » 真诚斯蒂芬 · 柯蒂斯 ...
as hard as stone像石头一样硬
Hard as stone强力金属
extra hard dental stone超硬质牙科石膏
hard earth and stone硬质土
hard as a stone爵士摇滚;极硬;坚硬如石
hard stone detail坚硬石头
As hard as a stone坚如盘石;铁石心肠;石头般坚硬
monolith hard rock insensate stone类似盘石般的事物