单词：public address
public address的用法和样例：
例句
- This kind of public address alert, recorded at the Tokyo University, will automatically be triggered at certain locations seconds before a big tremor is felt.这种由播音报警系统，由东京大学记录，将在人体感觉到大震动前几秒对某些定点发布。
词汇搭配
- public-address system扩音系统
单词：public address 相关文章
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