| 单词 | preset time |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔preset〕We have a device which switches the lights on at a preset time in the evening.我们有个装置，能在晚上按预设的时间打开电灯。剑桥高阶We have a device which switches the lights on at a preset time when we are out of the house in the evening.我们有一个装置能在我们晚上出去时按预设的时间点亮电灯。剑桥国际 |
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