crystal radio
(uncountable) The branch of philosophy dealing with the study of knowledge; theory of knowledge, asking such questions as What is knowledge?, How is knowledge acquired?, What do people know?,...
What is knowledge?
How is knowledge acquired?
What do people know?
Synonym of crystal set
plural of guanidylation
Resembling a rowdy in temper or conduct; characteristic of a rowdy.
子供の頃、彼は予備部品でクリスタルラジオを組み立て、簡単なイヤホンで放送を聴いた。
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