常見(jiàn)例句A dull dark-gray, brittle, porous type of bituminous coal resembling charcoal. 煤一種似的深灰色、無(wú)光澤、易碎的多孔美煙煤。a dull dark-gray,brittle,porous type of bituminous coal resembling charcoal 一種似炭的深灰色、無(wú)光澤、易碎的多孔美煙煤Any of several tough, porous leather substitutes. 通氣性強(qiáng)的塑料幾種粗糙的多孔的皮革代用品He added sand to the soil to make it more porous. 他往土里摻了些沙子以提高滲水性能。In a printer, the removable type element. 印刷機(jī)上可拆卸的打印部件。Do you type the letter or take a rest? 你打信呢,還是休息呢? 返回 porous-type