Four-stroke engine
四冲程发动机
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
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;
engine
['endʒin]
n. 发动机，引擎;工具;火车头;机车;
vt. 给…安装发动机;
🗣️ 情景例句
An individual's sex and characteristics are determinded by their unique set of genes.
个人性别和性格是由他们特有的一套基因决定的。
Kind words are the music of the world.
善言是世上的音乐。
As it was extremely narrow, the man was unable to move,
由于烟囱太窄，那人无法动弹。