| 单词 | variable |
| 释义 | variable adj. & n. --adj 1. a that can be varied or adapted (a rod of variable length; the pressure is variable). b (of a gear) designed to give varying speeds. 2. apt to vary; not constant; unsteady (a variable mood; variable fortunes). 3. Math. (of a quantity) indeterminate; able to assume different numerical values. 4. (of wind or currents) tending to change direction. 5. Astron. (of a star) periodically varying in brightness. 6. Bot. & Zool. (of a species) including individuals or groups that depart from the type. 7. Biol. (of an organism or part of it) tending to change in structure or function. --n 1. a variable thing or quantity. 2. Math. a variable quantity. 3. Naut. a a shifting wind. b (in pl.) the region between the NE and SE trade winds. Derivatives variability n. variableness n. variably adv. Etymology: ME f. OF f. L variabilis (as VARY) |
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