词汇	gun silencer
释义	gun silencer 枪消音器
随便看	a problem beyond his scope a problem called north korea a problem for solution A problem has just reared its ugly head a problem in arithmetic a problem in maths A Problem in Teaching of Central Limit Theorem a problem novel a problem of boundary value a problem of chronology a problem of gigantic proportions a problem of great urgency a problem of mind-boggling complexity a problem of times a problem play a problem/question at issue a problem shared is a problem halved a problem that claims attention A problem unique to coastal areas a problem with a problem with many phases Aprocarb A.procera a process approach A process by which data are condensed