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
It's good! It's this Sunday at 7.
好极了。宴会再本周日7点。
It would help if you could try to speak a little slower.
请你尽量放慢说话速度。
It's about a hundred metres along on the right.
再沿右边边走大约100米。