Hellens
(hellen 的复数) n. [希神]赫楞（相传为希腊人的祖先）
🗣️ 情景例句
That's easy.
这很容易。
I can't be sure of my future plans.
我还没有明白地定下我将来的计划。
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