Ketopalmitate
酮棕榈酸, 酮软脂酸
🗣️ 情景例句
Did it work?
这行得通吗？
We must get back to first principles.
我们必须回到基本原则上来。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。