Tetracyclone
四环酮
🗣️ 情景例句
Let's see.
让我想想。
Do you have a flight to New York departing at about 10 a.m. Next Monday?
你们有下周一大约下午10点起飞到纽约的班机吗？
We have a problem with your order.
你订的货有点问题。