Vacuum brake
真空闸
🧩 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
How much are the dues?
会费多少？
He likes playing hide and seek.
他喜欢玩捉迷藏。
I can't remember. Did I put them under the table?
我想不起来了。 放在桌子下面了吗？