unteachers
(geology) a fragment of rock that was broken from a larger rock or rock unit.
Without tacks.
(mineralogy) A silicide mineral with chemical formula MnSi.
plural of unteacher
実験的な学校では、意図的に学びを忘れさせる人々が講義に代わって学生に固まった問題解決の癖を忘れさせるための演習を導入した。
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