conscious/'kɒn∫əs $ 'kɑːn-/

a. awake and able to understand what is happening around you

a. 有意识的，有知觉的，神志清醒的：The patient was fully conscious when he was sent to hospital. 这个病人被送往医院时神志完全清醒。

构词con (= com-) + scious（知道）

同根 science