Huggen's principle
[计] 哈根原理
🧩 词语组成解析
🗣️ 情景例句
kick off your shoes, and sit down.
脱掉你的鞋子， 坐下来。
Are you Peter Smith?
你是彼得·史密斯吗？
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。