Radiopill
无线电丸(可吞下的微型无线电发射机)
🗣️ 情景例句
Do you know the phone number of the restaurant?
知道那家餐厅的电话号码吗
She failed to call the office to cancel her appointment.
她没能打电话给办公室取消她的约会。
We can't afford all that money.
我们花不起那么多钱。