adjective🔗Share地殻の、地殻に関するOf, pertaining to, or forming a crust, especially the crust of the Earth or other planet."The earthquake caused significant movement along the crustal plates. "地震は地殻プレートに沿って大きな動きを引き起こした。geologyworldastronomyenvironmentChat with AIVocabulary GamePractice Reading