Stackstand
n. 干草堆的支撑架
🗣️ 情景例句
I hear it from my patients.
我是从我的病人那儿听到这些的。
He can run as fast as Jim.
他跑的和吉姆一样快。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。