Piston stroke
[化] 活塞冲程; 活塞行程
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
stroke
[strok]
n. 一击;击球;划水动作;中风;
vt. 划掉;轻抚;轻触;敲击;
vi. 击球;作尾桨手，指挥划桨;
🗣️ 情景例句
Not too bad, thank you.
挺好的，谢谢你。
The devil can cite the Scriptures for his purpose.
魔鬼替其狡辩，也会引经据点。
He said, Pauline is typing letters. She can't speak to you now!
他说：“波淋正在打信，她现在不能同你讲话！”