| 释义 |
| | | | NOUN | | | | | | a signal or announcement that tells people that a period of danger has ended 危险解除的信号（或公告） | The bomb had been safely disarmed and the all clear given. 炸弹被安全拆除引信后发布了危险解除信号。 | | | a | if someone who has been ill or injured is given the all clear , doctors tell them that they are well again （伤病者）好转，平安无事 | | | | |