Detectophone
[电] 监听器
🗣️ 情景例句
We're off to the animal shelter.
我们这就去动物收容所。
I'm not myself today.
我今天心神不宁。
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
历史学家迄今认为日历是随农业的问世而出现的，因为当时人们面临着了解四季的实际需要，