She crawled on all fours over to the window.她爬到窗边。They looked rather comical as they crawled up precarious ladders.他们顺着摇摇晃晃的梯子往上爬，看起来非常滑稽。She crawled onto the river bank and lay there gulping in air.她爬上河岸,躺在那里喘着粗气.I lite...
Eventually, the water will permeate through the surrounding concrete.最终，水会渗透进周围的混凝土中。Water will easily permeate a cotton dress.水很容易渗透棉布衣服.Water will permeate blotting paper.水能渗透吸水纸....
It was discussed that the technique of carbonization using limekiln gas and water glass.探讨了利用工业废弃物石灰窑气和水玻璃,采用碳化法制备白炭黑的工艺过程.The effects of impurities content on the CO 2 content in limekiln gas described.论述了影响石灰窑气除CO2外其它物...