3g
abbr. 第3代移动通信技术（The 3rd Generation Telecommunication）
🗣️ 情景例句
Do you want a first class, business class or economy seat?
你想要头等舱、商务舱还是经济舱？
We waited for john in the lobby of the airport.
我们在机场的大厅里等约翰。
To do this, he must be at least as knowledgeable as the dealer.
要做到这一点，他至少要像古董商一样懂行。