C. n. s.
[医] 中枢神经系统
🧩 词语组成解析
[医] 接触; 接触人, 以, 用, 和, 居里(放射性强度单位), 卡
abbr. 名词
🗣️ 情景例句
Have you had dinner yet?
你吃晚饭了吗？
I can't tell what will happen.
我可说不出将会发生什么事。
There was also a great deal of machinery on display.
参展的还有很多机器，