Ccsf
[医][=cerebrospinal fluid(drug)concentration]脑脊液（药物）浓度
🗣️ 情景例句
I feel that no other car comes close as far as luxury and reliability are concerned.
我觉得就豪华和可靠性而言，没有其它汽车能与其媲美。
The secret of wealth lieth in the letters SAVE.
节俭是致富的秘诀。
How about yourself?
你自己呢？