Bluetooth
n. 蓝牙技术（一种无线通信的标准）
🗣️ 情景例句
and seeing the wonder of humanity.
看众生奇景。
To deliver the mail
投递邮件
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到仓库找到一个既适合供应管也适合供气管的接头。