Nitrogen cycle
[医] 氮循环
🧩 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
Would you mind opening your suitcase?
请把您的箱子打开，好吗？
With a thrill of horror the children watched the monster movie.
在恐惧的颤抖下，孩子们观赏着怪兽电影。
With practice, no doubt, I could in time learn to write by holding the pen still while the paper moved.
毫无疑问，经过练习，我最终能够学会笔不动而纸动来写字。