The roof was covered with tar.屋顶涂抹了一层沥青.The pipe is caked with tar.烟斗里渍了很多油子.They drove across the river to New Hampshire on a hot tar road.他们沿着一条滚烫的柏油路开过了河，来到新罕布什尔州。...

tar的音标：tar的英式发音音标为：[tɑ:(r)]tar的美式发音音标为：[tɑr]...

n.焦油，沥青，柏油，尼古丁，水手，水兵vt.以焦油或沥青覆盖或涂抹（某物）...

tar的一般过去时为：tarred...

tar的复数形式为：tars...

Boron - substituted polyaromatic mesophase prepared by co - pyrolysis of a tar pitch with pyridine - borane complex under autogeneous pressure.以煤焦油沥青和吡啶硼烷为原料采用加压热缩聚工艺制备硼取代聚芳烃中间相沥青.A new syntan product prepared with tar p...

tar的第三人称单数（三单）为：tars...

tar的现在进行时为：tarring...