单词	maintain at
释义	maintain at 把…保持在
随便看	airman official certificate air manometer airman qualifying examination airman rating certificate Airman Second Class airman's guide airmanship airmanships airman's information manual (aim) Airman's Medal airman's meteorological information (airmet) Airman Third Class air map air mapping aeroplane air-mapping aircraft airmaran air mark airmark airmarker air marker air marking air marks air marshal Air Marshals airmass 一肚子脓水一肚子花肠子一肚子苦水一股麻绳不牢靠，十股麻绳吊海鳌一肥遮百丑一胆，二力，三功夫一胜一败，兵家常势。一脉不和，周身不适一脑门子反骨一脑门子官司转贴现转贷转赠转身转车转轨转轮转轮手枪转轴转载