名詞 coolness:

1. the property of being moderately cold
   同義詞：chilliness, nip
2. calm and unruffled self-assurance
   同義詞：imperturbability, imperturbableness
3. fearless self-possession in the face of danger
   同義詞：nervelessness
4. a lack of affection or enthusiasm
   同義詞：coldness, frigidity, frigidness, iciness, chilliness

1. She distinguished herself by her coolness and bravery.
   她因頭腦冷靜、敢作敢為而為人稱道。
2. They stepped out of the sun into the coolness.
   他們到陰涼處躲避烈日。
3. I notice a certain coolness between them.
   我察覺(jué)他們彼此間有些冷淡。