Ccsf
[医][=cerebrospinal fluid(drug)concentration]脑脊液（药物）浓度
🗣️ 情景例句
That's fine. I'll await his return call.
很好。我会等他的来电。
Do you often work out?
你经常锻炼身体吗？
OK. I'll ring you if I have any news.
好吧。一有消息我就给你打电话。