标签：back-porch effect,用法,音标,短语

get back回来,恢复,送回,重新上台...
back-formationn.逆序造词,倒反构词...
Back-Off烤网...
backa.后面的vt.使后退,支持v...
back-pagea.登在报纸最后几版的,报屁股...
back-order订...
back-fill填充...
back-diagonal反对角线...
back-lash齿隙...
back-fire反焰...
back-filling回填充...
take sth back拿回,收回,带回,认错...
back-coating底面涂层...
back-coupling反向耦合...
back-cross反交...
back value倒帐...
back view后视图后视图...
back-extractant反萃取剂...
back link回指连接...
a back number过期的刊物,过时的人...