tar

1. N-UNCOUNT Tar is a thick black sticky substance that is used especially for making roads. 瀝青

The oil has hardened to tar. 油已硬化成瀝青了。

2. N-UNCOUNT Tar is one of the poisonous substances contained in tobacco. (菸草中的) 焦油

...strict guidelines as to the amount of tar contained in cigarettes. …關(guān)於香菸中焦油含量的嚴格的指導(dǎo)原則。

3. V to coat with tar 用焦油或瀝青塗抹