| 单词 | Snellen |
| 释义 | Snellen (once / 656629 pages) n WORD FAMILY Snellen USAGE EXAMPLESSnellen, who runs several McDonald’s restaurants and has 235 acres, said the state should spend its money on Interstate 70, not another recreational trail. Washington Times(Dec 18, 2015) “If there was no life, if there was no biological activity, this oxygen would not be there,” says Snellen, who led the study. Scientific American(Mar 12, 2013) In using Snellen’s test card, place the pupil at the distance marked upon the card. Talbot, Eugene S., Degeneracy—Its Causes, Signs and Re...(2011) n Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1834-1908) Syn|Exp Hermann Snellen eye doctor, oculist, ophthalmologist a medical doctor specializing in the diagnosis and treatment of diseases of the eye |
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