| 单词 | 自动打开 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔MACHINE〕The doors open automatically when you go near them. 当你靠近时这些门会自动打开。朗文写作活用〔SWITCH ON OR OFF〕The heating comes on automatically. 暖气会自动打开。朗文写作活用〔chute〕His chute opened automatically.他的降落伞自动打开了。韦氏高阶〔clock radio〕A radio having a built-in alarm clock that can be set to turn the radio on automatically.附带时钟收音机，收音机闹钟：一种具有内设警钟，可以设定时间自动打开的收音机美国传统〔go on〕The spotlights go on automatically when an intruder is detected in the garden.当探测到有人闯入花园时，聚光灯会自动打开。剑桥高阶〔interrupter〕Electronics A device that periodically and automatically opens and closes an electric circuit, producing pulses.【电子学】 断续器：一种阶段性的能自动打开及关闭电路并产生脉冲的仪器美国传统〔itself〕The door opens by itself as you approach it.当你靠近的时候门就会自动打开。麦克米伦高阶〔open〕The glass doors opened automatically for him.玻璃门为他自动打开了。牛津搭配〔safety valve〕A valve in a pressure container, as in a steam boiler, that automatically opens when pressure reaches a dangerous level.安全阀：压力容器（如蒸气锅炉）中的一种阀门，当压力达到危险程度时自动打开美国传统Some shops have doors which open by themselves at the approach of a customer.有些商店的门在顾客走近时会自动打开。剑桥国际The spotlights go on (= start operating) automatically when an intruder is detected in the garden.聚光灯在探测到有人闯入花园时会自动打开。剑桥国际 |
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