Detectophone
[电] 监听器
🗣️ 情景例句
Our manager is taking tomorrow off.
我们经理明天将休假。
What shall I send hin for his anniversary?
我要送他什么东西作为周年纪念礼物？
No, not exactly. But later, peole developed a way of printing, using rocks.
不完全是这样。但后来，人们利用石头，研制了一种印刷方法。