英语词汇关防的读音、翻译及短语词组释义-英汉双解词典-求索网

单词	关防
释义	关防guānfáng(1)[guard against]防备,防范周瑜关防严紧,因此无计脱身。――《三国演义》(2)[a frontier pass]关隘有军队驻守的地方延州秦北户,关防犹可倚。――唐·杜甫《塞芦子》(3)[Government seal]印信的一种。长方形,始于明初,又称“大印”
随便看	pulse former pulse forming line pulse-forming network pulse-frequency apectrum pulse-frequency modulation pulse generator pulse group pulse height pulse-height analyzer pulse-height discriminator pulse-height selector pulse-improvement threshold pulse integrator pulse interference eliminator pulse interference separator and blank pulse intergeation pulse interrogation pulse interval pulse-interval modulation pulse irradiation pulsejet pulse-jet pulse jitter pulse length pulse length modulation

英汉双解词典收录913115条英汉汉英双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。