Four cycle
[机] 四冲程循环
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
cycle
['saɪkl]
n. 循环，周期;自行车;时代，一段时间;整套;
vi. 周而复始，循环;骑自行车;轮转;
vt. 运转，循环;使轮转;
cycl =ring,circle,表示”圆,环”
🗣️ 情景例句
Hello, I wish to speak to Xiao Fu.
喂，我想和小付通话。
Thank you for your letter.
谢谢你的来信。
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。