Chemical energy, which is everything from wood to crude oil to gasoline to coal, consists of playing with the electrons, changing their energy state.

从木头、原油、汽油到煤炭，它们中释放出来的化学能量是通过改变其中电子的能量状态实现的。

The furnishings are made with recovered oak wood with black veins, crude raw plate treated with natural wax and opaque lacquered wood parts.

家具用带有黑色纹理的橡木制作，未加工的板材用天然蜡和不透明漆木部件来处理。

Three different models were made of marble, wood, yellow wax and crude oil.

本文以大理岩、木材、原油、黄蜡为材料，制作了三种不同的模型。

The policies on tax refund for export of crude oil, wood, paper pulp, fine goat hair, eels, rare earth minerals, phosphorus ores, natural graphite and other goods listed in Annex 3 shall be cancelled.

取消原油、木材、纸浆、山羊绒、鳗鱼苗、稀土金属矿、磷矿石、天然石墨等附件三所列明货物的出口退税政策。