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汉语拼音：lì qīng

俗称柏油。提炼石油、煤焦油剩下的有机胶凝材料。也有天然产出的。主要由碳氢化合物组成。黑色，有光泽，有毒，有臭味，有防腐、绝缘、可塑等性能。常用于铺路、建筑、防腐、防水和电器工业。

1. 松脂的别名。

   明 李时珍 《本草纲目·木一·松》：“松脂。别名：松膏、松肪、松胶、松香、沥青。”《说岳全传》第五一回：“要水牛三百隻，用松香沥青浇在牛尾上，牛角上缚了利刃。”

2. 蒸馏煤焦油所得的一种副产品。黑色块状，可用以制造涂料、油毡、或用来铺路。俗称臭油、柏油。

   巴金 《春天里的秋天》二：“曲折的，向上斜的沥青的马路载着她的细长的身子。”

• At least some of the substantially asphaltene-free, and metal-free distillate fraction is converted to a hydrogen donor diluent.

  至少部分基本上不含沥青质且不含金属的馏出馏分被转化成供氢体稀释剂。

• The course which she trains on is made of pitch, the heat of the surface even can burn her sole.

  训练的跑道是沥青的，高温把脚底都要烤焦。

• If liquid oxygen spills on asphalt or other surfaces contaminated with combustibles, do not walk on or roll equipment over the spill area.

  如果液氧溅到沥青或者其它被可燃物污染的表面，不要在上面行走或辗轧设备。

• A road with beautifully laid asphalt is seen behind the barrier. It leads to a nice house on the valley and a helicopter ground next to it.

  在路障的后面可以看到一条铺设着漂亮沥青的公路。它通向一幢坐落于山谷里的豪宅，旁边有一个直升机场。

• Within a week or two the hole is filled with new asphalt that pushes up from below.

  一两周内，洞又被地下涌出的沥青填满了。

• "Not at all, " said he, shaking his head. "It's fine here. My Dad builds asphalt roads, That is really tiring and hot. "

  “一点都不。”他摇摇头说，“这里很好。我爸爸在修沥青公路。那才真正又热又累人。”

• I was sure that the tarred road would have found it out and I wondered in what other ways it would be desolated.

  我肯定沥青路会通到了湖边，但还是想知道它会以别的什么方式荒凉着。

• This led her to deduce that there were other substances within pitchblende that had properties of radioactivity.

  于是玛丽推断出，在沥青铀矿中可能还有其他具有放射性的物质。

• This test is often used as an indication of the nature of certain grades of bitumen.

  这个测试常被用作一个指示性的某些等级的沥青。