The boy had the presence of mind to turn off the gas.那男孩子镇定地关掉了煤气。He had the presence of mind to put his emergency oxygen tube in his mouth.他镇定自若地把应急输氧管放进了自己的嘴里。I had much presence of mind to bring myself off.我十分镇静地逃了出来....

n.镇定，沉着...

presence of mind的音标：presence of mind的英式发音音标为：['prezəns ɔv maind]presence of mind的美式发音音标为：['prɛzəns ʌv maɪnd]...