Feedstocks
n. 原料；给料（指供送入机器或加工厂的原料）
🗣️ 情景例句
Nothing. I am in excellent health.
没什么。我身体好的很。
What time are you coming back?
你什么时间回来？
Work on it had begun before my sister left.
这栋房子在我姐姐离开之前就已动工了，