单词	scum weir
释义	scum weir 浮渣排除堰
随便看	distress alerting network distress alert relay distress and rescue procedure distress and safety communications distress area distress beacon distress borrowing distress call distress call apparatus distress call format distress call procedure distress calls distress call (sos or mayday) distress cargo distress channel distress commodity distress communication distress condition distress damage feasant distress damage-feasant distressed dis tressed distressed area distressed British seaman distressed commodity 略知皮毛略窥一斑略胜一筹略见一斑略识之无略迹原心略迹原情略迹论心略逊一筹略高一筹串岗串并联串店的串戏串户串房檐儿串换串标串案串气