...Oxygen is very feebly represented by its elementallines, but the flutings of titanium oxide are found in sunspots, and withgreat distinctness in a certain type of stars...
E. Walter Maunder 「Are the Planets Inhabited?」
...The flutings are due to titanium oxide...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
ランダム例文:
adjudge quicker gleamed
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この漢字は何でしょう??