n.
a sharp protuberance
a dead tree that is still standing, usually in an undisturbed forest
"a snag can provide food and a habitat for insects and birds"
an opening made forcibly as by pulling apart
"she had snags in her stockings"
同义词：riprentsplittear
an unforeseen obstacle
同义词：hang-uphitchrub
Use of Snags by Cavity-Nesting Birds in the Sierra Nevada
Use of Snags by Birds in Douglas-Fir Forests, Western Oregon
The Role of Foraging Woodpeckers in the Decomposition of Ponderosa Pine Snags
Getting medical technology in and out: conflicts and snags.(INDUSTRY VIEWPOINT)
EFFECTS OF URBAN SPRAWL ON SNAGS AND THE ABUNDANCE...
The relationship between cavity-nesting birds and snags on clearcuts in western Oregon
Fuel treatment effects on snags and coarse woody debris in a Sierra Nevada mixed conifer forest.
Determining year of death of logs and snags of Thuja plicata in southwestern coastal British Columbia
Characteristics of snags containing excavated cavities in northern Arizona mixed-conifer and ponderosa pine forests.
Effects of Prescribed Fire on Snags and Cavity-Nesting Birds in Southeastern Arizona Pine Forests
