coolness
	['kulnəs]
	    
    英英释意
	
	- 1. the property of being moderately cold;
 - "the chilliness of early morning"
 
- 2. calm and unruffled self-assurance;
 - "he performed with all the coolness of a veteran"
 
- 3. fearless self-possession in the face of danger
 
- 4. a lack of affection or enthusiasm