Piter
n. [美国英语](桃、杏、梅子等的)果核, 核\\nvi. 除去…的核：
🗣️ 情景例句
It's just ... slow.
只是……太慢了。
We trust you can meet our requirements.
相信贵方能满足我们的要求。
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