块煤的英文怎么说
块煤的英文: break a piece of coal into small lumps Put a few more lumps of coal on the fire. When he looked mechanically up into the sky, he saw ragged, soot-coloured clouds scudding in front of the moon [地质]藻烛煤 torbanite是什么意思: 藻烛煤; 块煤; 页岩; 苞芽油页岩 |