| 单词 | ultramicroscope |
| 例句 | Visibility under the "Ultramicroscope."—The particles of a sol, in contrast with the molecules of a true solution, are visible as bright scintillating points under the ultramicroscope. The Chemistry of Plant Life It is probably too small to be seen by any of our present microscopes, even the recently invented ultramicroscope. Insects and Diseases A Popular Account of the Way in Which Insects may Spread or Cause some of our Common Diseases Our best ultramicroscopes could make a germ look forty thousand times larger. The Scarlet Plague What I saw through that ultramicroscope was not an unproven theory, but a fact. The Girl in the Golden Atom The persistent patience of microscopists and technical improvements like the "ultramicroscope" have greatly increased our knowledge of the invisible world of life. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told With our powerful microscopes and ultramicroscopes, enlarging diameters twenty thousand times, we catch but the slightest glimpses of that profundity of infinitesimal life. A Collection of Stories |
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