Hydrogen cycle
[机] 氢循环
🧩 词语组成解析
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
What have you learned from jobs you have held?
你从以往的工作中学到什么？
Will you sign with our contract at this price?
你能以这个价钱在合约上签字吗？
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。