单词	oxygen mask
释义	oxygen maskˈoxygen mask noun [countable] a piece of equipment that fits over someone’s mouth and nose to provide him or her with oxygen
随便看	invincibly inviolability inviolable inviolate invisibility invisible invisible hand invisible ink invisibly invitation invite inviting invitingly in vitro fertilization invocation invoice invoke involuntarily involuntariness involuntary involuntary muscle involve involved involvement invulnerability

英语词典包含48224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。