3g
abbr. 第3代移动通信技术（The 3rd Generation Telecommunication）
🗣️ 情景例句
Lots of people are tired of higher taxes.
许多人对于增税很厌烦。
Please ask John to turn on the lights.
请要求约翰打开灯。
'You see.I've forgotten my key.'
“您瞧，我忘带钥匙了。”