Bootprints
(bootprint 的复数) n.靴印
🗣️ 情景例句
It all sounds so easy.
一切听起来竟是如此简单。
I can't tell what will happen.
我可说不出将会发生什么事。
An ocean wave passing through deep water causes a particle on the surface to move in a roughly circular orbit,
穿过深水的海浪使水面上的一个微粒按照一种近乎圆形的轨道移动，