Dummy piston
[机] 均压盘轮
🧩 词语组成解析
dummy
['dʌmi]
n. 仿制品;沉默寡言的人;笨蛋，蠢货;挂名代表，傀儡;
vt. 制作样本，制作样张;不吭声，缄口;〈美俚〉装聋作哑;替别人占领土地;
adj. 假的;摆样子的，做样品的;挂名的;虚设的;
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
Years of work went into these pictures.
多年心血换来这些照片。
Do you think the doctor could see me tomorrow before 9:30?
你看医生在明天9:30前能给我看病吗？
When a light passenger plane flew off course some time ago, it crashed in the mountains and its pilot was killed.
不久前，一架轻型客机偏离了航线，在山区坠毁，飞行员丧生。