Bluetooth
n. 蓝牙技术（一种无线通信的标准）
🗣️ 情景例句
So, what were you two talking about?
你们俩刚才谈什么了？
Americans are hight mobile, and therefore may find it difficult to became deeply involued with other.
美国人的流动性，大，因此你会发现和他人深交很难。
An apple a day keeps the doctor away.
一天一苹果，医生远离我。