| 正面 | 4774.regulator 英 ['regjʊleɪtə]美 ['rɛɡjuletɚ]     |
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| 背面 |      释义： 1. happen => perhaps.2. happen => hap.3. happen => hapless.4. hap "chance, fortune, luck" + 双写p加-y.5. happy => happily.n. 调整者；校准器 例句： 1. An automatic voltage regulator ensured a constant output from the generator.一个自动电压调节器保证了发电机电流输出的稳定。 regulator 监管者来自 regulate,管理，控制。 regurgitate 回流，回涌，反胃，反刍 regulator (n.)1650s, agent noun in Latin form from regulate. In English history, from 1680s; in American history, from 1767, applied to local posses that kept order (or disturbed it) in rural regions. As a mechanical device or clock used to set the time of other pieces, from 1758." |