珀尔吓得失声尖叫,劫匪逼迫她跟两个店员站到一起,大家都没办法够到柜台底下的报警器按钮。
Pearl screamed as she was pushed to join two assistants, powerless to reach the alarm button below the counter.
弗瑞与一个商业伙伴以及另外两个早先曾申请了语音报警器专利的人进行了合作。
Fray and a business partner teamed up with two other men who had earlier patented a talking smoke alarm.
天花板和外墙都是绝缘的,并且备有两个烟雾报警器,为安全提供保障。
The ceilings and exterior walls are insulated, it also has 2 smoke alarms for more safety.
天花板和外墙都是绝缘的,并且备有两个烟雾报警器,为安全提供保障。
The ceilings and exterior walls are insulated, it also has 2 smoke alarms for more safety.
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