Smds
[计] 交换式多兆位数据传送业务
🗣️ 情景例句
What time is it?
现在是什么时间了？
How much is a one-way ticket?
单程车票多少钱一张？
I'm really positive that this product has all the features you have always wanted.
我确信这种产品有各种你所要的款式。