Lithectomy
[医] 切[开取]石术, [结]石切除术(尤指膀胱石切除术)
🗣️ 情景例句
Good afternoon, sir.
下午好。
In every beginning think of the end.
思前顾后。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，