例文・使い方で印象づける「quadruple」の覚え方
スポンサーリンク...Both followed the same route; the quadruple echoes of this new race-course were confounded... 
Alexandre Dumas, Pere 「The Man in the Iron Mask」
...Looking at the little that has yet been done, compared with thevast and almost untried field which invites explorers, an assiduouscollector may quadruple the species hitherto described...
J. Emerson Tennent 「Sketches of the Natural History of Ceylon」
...One of the most interesting of quadruple systems is θ Orionis,which is situated in the Great Nebula, by which it is surrounded...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...The former is quadruple, the components being yellow, bluish,pale blue, and blue...
Richard A. Proctor 「Half-hours with the Telescope」
...There aretwo quadruple sets three and a half minutes of arc apart...
Garrett Serviss 「Pleasures of the telescope」
...Between the two quadruple sets careful gazingreveals two other very faint stars...
Garrett Serviss 「Pleasures of the telescope」
...This is reallya quadruple, although only two of its components areclose and conspicuous...
Garrett Serviss 「Pleasures of the telescope」
...If we quadruple the length of the suspending cord we double thetime of its vibration; if we increase the length of the pendulumninefold, we increase its period of vibration threefold...
Robert Stawell Ball 「The Story of the Heavens」
...We find some stars double, others triple, quadruple, octuple, andmultiple...
Henry Warren 「Recreations in Astronomy」
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