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
I love her very much. She's been a joy.
我很爱她。她是个讨人喜欢的孩子。
Yes, she's free then.
可以，她那时有空。
It is because in the modern world, English is very widely used for business between different countries.
这是因为在现今世界，英语广泛应用于国与国之间的贸易往来。