It begins with a photon of light that produces the energy necessary to release an electron down the carrierchain.
它一开始就光子产生的光的能量要释放一个电子下跌承运人链。
2
The electrons released by this reaction are taken up by carrier molecules and then passed along a chain of such molecules before being used to power the chemical reactions that ultimately make sugar.
在为化学反应供能并最终生成糖之前，电子通过由分子作载体的反应释放然后在分子链上传递。
3
Chain conveyor is conveying materiel take chain as traction and carrier.