| 单词 | stationary |
| 释义 | stationary adj. 1. remaining in one place, not moving (hit a stationary car). 2. not meant to be moved; not portable (stationary troops; stationary engine). 3. not changing in magnitude, number, quality, efficiency, etc. (stationary temperature). 4. (of a planet) having no apparent motion in longitude. Phrases and idioms stationary air air remaining in the lungs during ordinary respiration. stationary bicycle a fixed exercise-machine resembling a bicycle. stationary point Math. a point on a curve where the gradient is zero. stationary wave = standing wave. Derivatives stationariness n. Etymology: ME f. L stationarius (as STATION) |
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