单词：coal tar
[医] 煤焦油
of bituminous coal in the manufacture of illuminating gas; used for
making printer's ink, black varnish, etc. It is a complex mixture from
which many substances have been obtained, especially hydrocarbons of
the benzene or aromatic series.
coal tar的用法和样例：
例句
- They will report on the experiments with coal tar.他们将汇报煤焦油的试验情况。
- Coal tar has a strong smell and can stain clothing.煤焦油有很强烈的气味，并且会染污衣服。
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