Prony brake
[机] 普洛尼式测功器
🧩 词语组成解析
brake
[brek]
n. 制动器，闸;刹车;阻碍;
vt.& vi. 刹（车）;
🗣️ 情景例句
When trouble comes your neighbors are the ones who will be there.
邻居在你有困难的时候会帮助你。
I was crossing the street and was almost hit by a car.
我穿过街时差一点被一辆汽车撞了。
New China was founded in l949.
1949年新中国成立。