1. relatively small compact tawny-brown heron with nocturnal habits and a booming cry; found in marshes. 
   相对较小的茶棕色鹭，夜间活动、叫声轰然作响；常见于沼泽地带。
2. any of numerous chiefly shorebirds of relatively compact build having straight bills and large pointed wings; closely related to the sandpipers. 
   主要是骨格比较紧凑的滨鸟，直嘴，翅膀大而尖；与矶鹞有亲缘关系。
3. extragalactic compact radio sources 
   河外致密射电源
4. A compact camera; a compact car. 
   不占空间的摄像机；小型汽车
5. compact soil; compact clusters of flowers. 
   紧密的土壤；捆得很紧的花束。

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