Isan
abbr. integrated services analog network 综合业务模拟网; international standard audiovisual number 国际标准音视频编号
🗣️ 情景例句
Yes. I'll hold. He's checking. You do?
好， 我会等。他正在查。真的有了？
A great ship asks deep water.
巨轮寻深水而航行。
I not only spoke English very carefully, but very clearly as well.
我的英语讲得不但非常认真，而且咬字也非常清楚。