单词	a stumble ling block
释义	a stumble ling block 绊脚石
随便看	continuous densimeter continuous density curve continuous density gradient continuous deodo continuous deodorization continuous deodorization tower continuous deodorizer continuous deodourizer continuous deodo u rizer continuous deordorizer continuous dependence continuous dependence on initial value continuous dependence theorem continuous deployment Continuous deposition continuous descaling and cold-rolling mill continuous desiliconissation continuous desulfurization continuous detectiion equipment continuous detection Continuous determination continuous deterministic process continuous detonation continuous detonation velocity continuous detonation velocity of explosive