Ccsf
[医][=cerebrospinal fluid(drug)concentration]脑脊液（药物）浓度
🗣️ 情景例句
Your idea sounds like a good one.
你的想法听起来很不错。
He who has health has hope, and he who has hope has everything.
身体健壮就有希望，有了希望就有了一切。
She asked me to speak more loudly. The line was bad.
她告诉我要说大声一些。线路很糟。