Diacaustic
散焦面, 散焦曲线
🗣️ 情景例句
Oh, yes, George.
还行，乔治。
If one side fails to observe the contract,the other side is entitled to cancel it.
如果一方不履行合同协议，另一方则有权终止合同。
That's not so good.
这样不太好吧。