tar
/tɑ:(r); tɑr/ n[U]
1 thick black sticky liquid, hard when cold, obtained from coal, etc and used in making roads, to preserve timber, etc 焦油; 焦油沥青; 柏油.2 similar substance formed by burning tobacco （烟草燃烧产生的）烟油, 尼古丁
[attrib 作定语]
low-/middle-/high-tar cigarettes 尼古丁含量低[中/高]的香烟. tar, v (-rr-)
1 [Tn] cover (sth) with tar 以焦油或沥青覆盖或涂抹（某物）; 铺以柏油
a tarred road, rope, roof 铺柏油的路、 涂焦油的绳子、 涂沥青的屋顶. Cf 参看 Tarmac.
2 (idm 习语) tar and `feather sb put tar on sb and then cover him with feathers, as a punishment 将某人涂以沥青然後覆以羽毛（作为处罚）. tarred withthe same `brush (as sb) having the same faults (as sb)（与某人）有同样的缺点.
tar / tɑ:(r); tɑr/ n (also Jack tar) (dated infml 旧, 口) sailor 水手; 水兵.