Bluetooth
n. 蓝牙技术（一种无线通信的标准）
🗣️ 情景例句
Marilyn, Susan, let's not begin to worry about Michelle and Max.
Marilyn， Susan不要开始担心Michelle和Max。
What is on the schedule this morning?
今天上午有什么安排？
He gets into the lift. It takes him down to the first floor.
他进入电梯。他乘电梯下到1楼。