Pestalozzi
佩斯特拉齐(Johann Heinrich, 1746-1827, 提倡实物教学法的瑞士教育学家)
🗣️ 情景例句
My grandfather is very much alive and kicking.
我的祖父还健在。
Let's find out.
我们去问一下吧。
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