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请帮我看看啥意思（五）when someone gives a signal ,it is answer to a call for help.

分类: 作业答案 • 2022-01-22 19:58:01

问题描述：

请帮我看看啥意思（五）when someone gives a signal ,it is answer to a call for help.
如题

答

当一个人发出信号,这是发出求救的反应