Piston knock
[机] 活塞敲击
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
knock
[nɑk]
n. 短促的敲打（声）;爆震声;敲击声;敲门（或窗等）声;
vi. 猛烈敲击;与某物相撞;撞到了桌子;
vt. （心）怦怦跳;把…撞击成（某种状态）;批评;
🗣️ 情景例句
She won't be happy when she sees what you've done with your hair.
当她看到你将头发搞成这个样了了，就高兴不起来了。
In his work, Albert comes in touch with many beautiful objects.
在工作上，阿尔博特会接触到许多美丽的事物。
Really? So was my friend Bob White. Do you know him?
真的吗？我的朋友鲍勃·怀特也在中心学校。你认识他吗？