Ccsf
[医][=cerebrospinal fluid(drug)concentration]脑脊液（药物）浓度
🗣️ 情景例句
Carl will be perfectly fine after we remove his tonsils.
切除扁桃腺之后，Carl会完全恢复健康的。
Our service has been very well-received by our customers so far.
到目前为止，顾客对我们的服务质量评价甚高。
Have you decided what music you'd like us to play at the party?
你决定好要我们在乡村聚会中演奏什么音乐了吗？