单词	fight-or-flight
释义	fight-or-flight adjective ˈfīt-ər-ˈflīt  : relating to, being, or causing physiological changes in the body (such as an increase in heart rate or dilation of bronchi) in response to stress epinephrine is a fight-or-flight hormone a fight-or-flight reaction Word History First Known Use 1973, in the meaning defined above Medical Definition fight-or-flight adjective ˌfī-tər-ˈflīt : relating to, being, or causing physiological changes in the body (such as an increase in heart rate or dilation of bronchi) in response to stress the fight-or-flight response
随便看	poplar birch poplar borer poplar box poplar canker poplar goat moth poplar hawk moth poplar leaf fig poplar tentmaker poplar vagabond aphid poplar worm poplar-leaved birch poplared Poplarism poplars Pople poplin poplins popliteal popliteal muscle popliteal notch poplitei Popocatepetl Popocrat popoffs popoi

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。