On UNIX systems, the stalwart utility tar makes light work of building archives.
在UNIX系统中，可靠的实用程序tar可以用来简化构建存档的工作。
2
Boots worn by University of South Florida graduate student Katie Brusché are stained with yellow-brown tar from the Gulf oil spill, as seen under ultraviolet light in a long-exposure photograph.
南佛罗里达大学研究生 Katie Brusché 穿着的一双靴子。
3
They accused cigarette makers of hiding information that "light" or "low tar" cigarettes are just as dangerous as other cigarettes.