noun 下载 🔗分享 杏仁状岩，杏仁状构造岩。 A variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, especially agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava. Examples : "The old volcanic flow, now visible as a weathered cliff face, was identified as amygdaloids due to the numerous cavities filled with sparkly quartz crystals. " 这个古老的火山岩流，现在以风化的悬崖表面呈现出来，被鉴定为杏仁状构造岩，因为其中有大量充满了闪闪发光石英晶体的孔洞。 geology mineral material 与AI对话词汇游戏阅读练习
