sinkhole
US /ˈsɪŋk.hoʊl/
UK /ˈsɪŋk.hoʊl/
1.
天坑
a hole in the ground, especially in an area of limestone rock, that has been formed naturally, for example by water that has worn away the rock:
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Rain gradually dissolves the limestone, forming features such as limestone pavements, sinkholes, and caves.
1.
天坑
to direct internet activity to a different part of a network or server, so that it cannot damage the part it is being aimed at:
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This simple act sinkholed the malware.