| 单词 | 自动开关 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔OPEN〕The train doors open and close automatically. 列车车门是自动开关的。朗文写作活用〔circuit breaker〕An automatic switch that stops the flow of electric current in a suddenly overloaded or otherwise abnormally stressed electric circuit.断路开关：将突然过载或受到其它异常冲压的电路电流切断的自动开关美国传统〔close〕The doors open and close automatically.这些门自动开关。牛津高阶〔pre-set〕The heating automatically switches on and off at pre-set temperatures.暖气根据预设温度自动开关。朗文当代〔shut〕The doors open and shut automatically.这些门都是自动开关的。牛津高阶 |
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