Four-stroke
a. 四冲程的（内燃机）; 四行程
🧩 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;
🗣️ 情景例句
We may revise it this evening, and have it ready to be signed tomorrow morning.
今天晚上我们修改一下并做好准备，明天早上正式签订。
Some of them are mine.
一部分是我的。
when she remembered that she had gone shopping after the home help had left and she knew that she had turned both keys in their locks,
但突然记起来了，帮手是在她出去买东西之前走的，她还记得曾用了两把钥匙把大门锁上了。