幫我譯做中文 一d好chemistry既字就keep番都得
thanks so much!
Visualise putting a fresh log into the glowing ember of our fire. Once the heat arrives at the outside surface of the wood the surface becomes hotter due to radiated heat from the embers; following this the heat transfers into the bulk of the wood through conduction. Then, as the temperature of the wood rises, a series of chemical changes begins.