基本解释筒钩英汉例句双语例句At night when the coal into the furnace sealed pancake morning hooks up with the son of a barrel, flames on the channeling up, very convenient.晚上睡觉时用煤饼子把炉子封死，早上起来用铁钩子一捅，火苗就窜起来了，很方便。barrel hook更多例句专业释义机械工程桶钩