Last Updated：2025/11/26
Sentence
地質学者は顕微鏡下で、ホウ素、カルシウム、炭素、水素、マグネシウム、酸素を含む単斜晶系のプリズム状の無色鉱物の半透明な結晶を注意深く観察した。
Quizzes for review
The geologist carefully examined the translucent crystals of carboborite under the microscope.
See correct answer
The geologist carefully examined the translucent crystals of carboborite under the microscope.
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