Last Updated：2025/11/26
Sentence
地質学者は、結晶構造を調べるために、鉄・銀・硫黄を含む淡褐色の直方晶双錐形の鉱物の破片を顕微鏡で注意深く観察した。
Quizzes for review
The geologist carefully examined a fragment of sternbergite under the microscope to determine its crystalline structure.
See correct answer
The geologist carefully examined a fragment of sternbergite under the microscope to determine its crystalline structure.
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