Deckel
n. (制纸用的)定纸框, 手工制纸的毛边
🗣️ 情景例句
I remember!
我记起来了！
She's not at her desk right now.
这会儿她不在办公室办公。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子