Bluetooth
n. 蓝牙技术（一种无线通信的标准）
🗣️ 情景例句
Anything else?
还有别的事吗？
It was not very wise of you to sell the property.
你把物业卖了可不是办法。
Two main techniques have been used for training elephants,
驯象有两种主要的方法，