碳化合物氧化后必然会产生二氧化碳。Carbon dioxide is a necessary result of the oxidation of carbon compounds.氧化胆固醇可能是造成动脉堵塞的元凶。Oxidized cholesterol may be responsible for furring up the arteries.碳、氢、氧化合形成碳水化合物和脂肪。Carbon, hydrogen and oxyg...
他们开始工作，用砂纸把木制品打磨平滑。They were settling to their work, rubbing down the woodwork with sandpaper.他的皮肤光洁平滑。His skin is clear and smooth.这种纸张手感平滑.This paper is smooth to the touch....
Eastward flows the Changjiang River.大江东去.A powerful snow storm is moving eastward...一场强暴风雪正在东移。The river here tends eastward.这条河从这里向东流.The crowd is heading eastward,believing that they can find gold there.人群正在向东移去,他们认为在那...