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
Oh, it's not finished yet,
噢！它尚未完成。
We really can't discount the price more than six percent.
我们真的无法提供超过6%的折扣。
He asked me for a meal and a glass of beer.
问我要一顿饭和一杯啤酒。