a sekf-conscious persan的用法和样例：
- I had to make a conscious effort not to be rude to him.
- He was in a coma for days, but now he's (fully) conscious again.
- There is a vein of melancholy in his character.
- There was a long lag in forwarding mail to us.
- A bowl of hot chicken soup is good for you.
- A cloud is a mass of vapor in the sky.