mass noun
1- a dark, thick flammable liquid distilled from wood or coal, consisting of a mixture of hydrocarbons, resins, alcohols, and other compounds. It is used in road-making and for coating and preserving timber.柏油。
1.1
- a similar substance formed by burning tobacco or other material焦油：
in combination low-tar cigarettes.焦油含量低的香烟。
(tarred, tarring)with obj.［usu. as adj. tarred］
- cover (something) with tar用柏油覆盖：
a newly tarred road.
新铺的柏油马路。
短语
beat（或whale）the tar out of
- N. Amer. informal beat or thrash severely〈北美, 非正式〉狠狠地揍（或鞭打）。
tar and feather
- smear with tar and then cover with feathers as a punishment作为惩罚而把人浑身涂满柏油并粘上羽毛。
tar people with the same brush
- consider specified people to have the same faults认为一类人有同样的缺点。
词源
Old English teru， teoru， of Germanic origin; related to Dutch teer, German Teer, and perhaps ultimately to TREE.