tanker

tanker
n
(a) ship or aircraft for carrying petroleum, etc in bulk 运送石油等的轮船或飞机
    an oil tanker 油轮.
(b) (US also `tank truck) heavy road vehicle with a large cylindrical tank for carrying oil, milk, etc in bulk （陆上运送油、 奶等的）卡车, 罐车.

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