单词	扬声筒
释义	扬声筒 yángshēngtǒng〔名〕trumpet projector扬声
随便看	improved predictive voltage control improved pregnancy outcome improved preparation Improved Preparation of Diethyl Fumarate improved preparation of protoporphyrin disodium improved prescription improved prestress anchor block improved Prim heuristic algorithm improved principal component analysis method improved process Improved Processing and Display System improved processing system improved product improved production coefficient method improved productivity improved products Improved Programmer Test Station improved programming technology Improved project improved projection method Improved Prolific cotton Improved ProMACE/CytaBOM Regimen improved propeller improved prototype improved prototyping