Feedstocks
n. 原料；给料（指供送入机器或加工厂的原料）
🗣️ 情景例句
Why not?
有何不可？
We shall never have friends if we expect to find them without fault.
指望朋友无缺点，永远休想交朋友。
The students are going to take the test in two days' time.
学生们准备在两天后就接受测验。