Compression stroke
[化] 压缩冲程
🧩 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
Not on our anniversary.
可不能在我们的结婚纪念日。
I hope I didn't offend you.
希望没有冒犯你。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？