sink-hole

英['sɪŋkh'əʊl] 美['sɪŋkh'əʊl]
  • 雨水口
  • effect n.效应;结果;影响;印象;效果;要旨v.使产生;引起
  • sink v.下沉;沉没;渗透;低落;变低;衰弱;(太阳)落下n.水槽;沟渠;散热器;接收端
名词 sinkhole:
  1. a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof