将炉火调小，用文火炖调味汁。Turn the heat down so the sauce simmers gently.炉火中迸出的煤块烧着了地毯。Coal fell out of the fire, and burned the carpet.他正和艾伯特在书房的炉火旁下国际跳棋。He was in the study playing draughts by the fire with Albert....
An aquifer is a water - bearing rock stratum such as sandstone and chalk.地下蓄水层是一些有水的岩石层,如沙岩和白垩岩.The coal is a coal resource that reserves in old stratum.石煤是贮藏在古老地层中的一种煤炭资源.A portion of bedrock or other stratum protruding...