It was thought that the fire alarm had been set off as a prank.
认为
警
警器响是个恶作剧。
警,
,警钟It was thought that the fire alarm had been set off as a prank.
认为警警器响是个恶作剧。
They heard the fire alarm.
他听到了警警。
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核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我
指正。
