| 单词 | instantaneous |
| 释义 | instantaneous —instantaneity /in stan'tn ee"i tee, in'steuhn teuh nee"-/, instantaneousness, n. —instantaneously, adv. /in'steuhn tay"nee euhs/, adj. 1. occurring, done, or completed in an instant: an instantaneous response. 2. existing at or pertaining to a particular instant: the instantaneous position of the rocket. [1645-55; < ML instantaneus. See INSTANT, -AN, -EOUS] Syn. 1. immediate, sudden, abrupt. |
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