| 单词 | run out |
| 释义 | ● ˌrun ˈout 🔑 if a supply of sth runs out , it is used up or finished 用完；耗尽◆ Time is running out for the trapped miners . 被困矿工的时间不多了。🔑 if an agreement or a document runs out , it becomes no longer valid 过期；失效SYN expireSee also run |
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