Urolithus
[医] 尿石
🗣️ 情景例句
You're just wasting your breath.
你在白费口舌。
Come to me if you're in any difficulty.
有困难来找我。
The negotiations on the rights and obligations of the parties under contract turned out to be very successful.
就合同保方的权利和义务方面的谈判非常成功。