例文・使い方で印象づける「speculum」の覚え方
スポンサーリンク... It was called a speculum oris... 
Thomas Clarkson 「The History of the Rise, Progress and Accomplishment of the」
...The speculum is green...
Chester A. Reed 「The Bird Book」
...This strikingly marked Duck is twenty inchesin length, has a green head and speculum, bluewing coverts and chestnut belly...
Chester A. Reed 「The Bird Book」
...Similar to the Lesser Scaup in size and plumage,except that it has a narrow chestnut collararound the neck, the back is black instead ofbarred with white, and the speculum is gray instead of white...
Chester A. Reed 「The Bird Book」
...Head and throat as in ♂, back fuscousand buffy; breast and sides ochraceous thickly spottedwith blackish; speculum ashy gray and white...
Frank M. Chapman 「Color Key to North American Birds」
...Head andthroat brown; breast and back gray, a white throat-ring;belly and speculum white...
Frank M. Chapman 「Color Key to North American Birds」
...No colored speculum...
Frank M. Chapman 「Color Key to North American Birds」
...Female—Head, dark buff; breast, lighter buff withbrown mottlings; legs, orange colored; speculum sameas the male; bill, yellow, blotched with brown...
Harry Thom Payne 「Game Birds and Game Fishes of the Pacific Coast」
...Female—The top of the head of the female is a rustybrown, and with a very faint stripe on the sides; upperparts, gray, spotted with black; speculum, green...
Harry Thom Payne 「Game Birds and Game Fishes of the Pacific Coast」
...These wereilluminated by a speculum, near the object-glass, reflecting the light from alantern placed over the axis, the upper part of the telescope-tube being partlycut away to admit the light...
George Forbes 「History of Astronomy」
...Toovercome the spherical aberration James Gregory, ofAberdeen and Edinburgh, in 1663, in his Optica Promota, proposed areflecting speculum of parabolic form...
George Forbes 「History of Astronomy」
...Sir John, grown more confident,adduced the example of the Newtonian reflector, in which therefrangibility was corrected by the second speculum, and the angle ofincidence restored by the third...
Richard A. Proctor 「Myths and Marvels of Astronomy」
...The mirror or speculum, as it is often called, is a thickmetallic disc, composed of a mixture of two parts of copper with one oftin...
Robert Stawell Ball 「The Story of the Heavens」
...The king inquired after him, and after my great speculum...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...Company is not always pleasing, and I would much rather be polishing a speculum...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
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