And unless they had back up power generators, their lights went out on Saturday night.
除非他们有备用的发电机，否则周六晚上就会停电。
| 单词 | back up power |
| 释义 |
back up power
原声例句
当月 CNN 10 学生英语 2021年1月合集 And unless they had back up power generators, their lights went out on Saturday night. 除非他们有备用的发电机，否则周六晚上就会停电。 CNN 听力 2021年1月合集 And unless they had back up power generators, they're lights went out on Saturday night. 除非有备用发电机，否则巴基斯坦会在周六晚上停电。 当月 CNN 10 学生英语 2020年5月合集 You had a certain amount of fixed power that was back up power. 您拥有一定数量的固定电源，即备用电源。 |
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