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
She had to work her way through law school.
她必须半工半读学法律。
I'm afraid you are mistaken.
我想您错了。
When will we hear something from him?
什么时候会有消息呢？