Alternation of crops
轮作,轮种
🧩 词语组成解析
alternation
[ˌɔ:ltə:'neiʃən]
n. 交替，轮流，间隔;交替工作;更迭;变换;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
[医] 分批出现(疹)
🗣️ 情景例句
You can say that again.
你说的一点没错。
It is convenient to know the language.
掌握这门语言会带来方便。
All at once, I noticed that my wife seemed to be filled with alarm.
突然，我注意到妻子十分惊恐。