| 单词 | directional |
| 释义 | directional —directionality, n. —directionally, adv. /di rek"sheuh nl, duy-/, adj. 1. of, pertaining to, or indicating direction in space. 2. Radio. adapted for determining the direction of signals received, or for transmitting signals in a given direction: a directional antenna. 3. of, pertaining to, or providing guidance or leadership. [1605-15; DIRECTION + -AL1] |
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