feedstock
n. 原料；给料（指供送入机器或加工厂的原料）
例句
Until recently, the assumption has been that cellulose would take over from sugar and starch as the feedstock for making biofuels.
直到最近，这个假定认为纤维素会取代蔗糖和淀粉作为给料，制造生物燃料。
Meanwhile the feedstock could be nice and cheap: Brazilian sugar.
同时，原料可以非常便宜：巴西甘蔗。
Why use trees, rather than maize or sugar cane, as a feedstock for ethanol?
为什么要选择树木而不是蜀黍或蔗糖作为乙醇原料？
