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
If my wife takes a second job and leaves the kids in day care, we should be able to get the loan for a two storey place.
如果我的妻子做两份工，把孩子送去全托，我们就可以贷款买一栋两层的房子了。
What's your nationality?Are you a Chinese?
你的国籍是什么？你是中国人?
Yes, London. The whole family's going for two months.
对，我们住在伦敦。我们全家打算住两个月。