| 单词 | moderator |
| 释义 | moderator —moderatorial /mod'euhr euh tawr"ee euhl, -tohr"-/, adj. —moderatorship, n. /mod"euh ray'teuhr/, n. 1. a person or thing that moderates. 2. a person who presides over a panel discussion on radio or television. 3. a presiding officer, as at a public forum, a legislative body, or an ecclesiastical body in the Presbyterian Church. 4. Physics. a substance, as graphite or heavy water, used to slow neutrons to speeds at which they are more efficient in causing fission. [1350-1400; ME < L moderator, equiv. to modera(ri) to control (see MODERATE) + -tor -TOR] |
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