Two-stroke
a. 两冲程的（内燃机）
🧩 词语组成解析
two
[tu]
n. 两个;两个东西;两点钟;一对;
adj. 两个的;我同;
num. 两个;第二;二;
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
I have been a secretary in an insurance company.
我一直在一家保险公司担任秘书工作。
After dinner sit a while; after supper walk a mile.
午餐之后坐片刻，晚饭之后走一里。
Not all sounds made by animals serve as language.
动物发出的声音不都是用作语言交际。