Last Updated：2025/11/26
The geologist carefully examined the vein of fletcherite, noting its steel-gray luster and the presence of cobalt and nickel under the microscope.
See correct answer
The geologist carefully examined the vein of fletcherite, noting its steel-gray luster and the presence of cobalt and nickel under the microscope.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories（0）
