Cylinder stroke
[化] 汽缸冲程
🧩 词语组成解析
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
If you don't mind my asking, where did you come from?
你从哪儿来？要是你不介意我这么问的话。
Excuse me. Could you please tell me how to get to the station?
劳驾，请问到火车站去怎么走？
Bye!
再见！