blacking
n. 黑色涂料（尤指鞋油）；炭粉
v. 使变黑，弄脏；把黑油彩抹在……上；黑屏；（旧）抵制（black 的现在分词）
例句
U.S. government specialists went through each page, blacking out any information a foreign intelligence expert could use.
美国政府的专家们检查了每一页，用黑色涂掉任何可能被外国情报专家利用的信息。
《柯林斯英汉双解大词典》
They're done with blacking, I believe.
我想它们已经不再用黑鞋油了。
With the dollar he bought a box, three brushes and some blacking.
他用这一美元买了一个盒子，三个刷子和一些黑鞋油。
