词汇	a pack of spectators
释义	a pack of spectators 一群观察家
随便看	hydrographic engineering survey hydrographic factor hydrographic features hydrographic forecast hydrographic frequency hydrographic geological condition hydrographic geophysical hydrographic information hydrographic magnetic survey hydrographic map hydrographic map of chart hydrographic markings hydrographic measurement hydrographic message hydrographic name hydrographic names hydrographic net hydrographic net area height survey hydrographic net river system hydrographic net system hydrographic network hydrographic note hydrographic observations Hydrographic Oceanographic Data Sheets Hydrographic Offence Picnic