单词	wtr.
释义	wtr. abbr.waiter winter writer 以上来源于：《21世纪大英汉词典》
随便看	boundary layer concentration boundary layer control boundary-layer control boundary layer control (blc) boundary layer control 附面层控制 boundary layer displacement drag boundary layer duct boundary layer dynamics boundary layer effect boundary layer energizer boundary layer equation boundary layer equations boundary layer fence boundary-layer flow boundary layer; interfacial layer; interfacial zone boundary layer jet stream boundary layer; laminar boundary layer meteorology boundary layer microphone boundary layer microphone {=blm} boundary layer model boundary layer morphology boundary layer of oscillatory flow boundary-layer photocell boundary layer profiler