Rotation of crops
[经] 轮种
🧩 词语组成解析
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
I've been thinking a lot about our responsibilities
我对于我们的职责想了很多
It is too late to lock the stable door when the steed is stolen.
贼出关门。
Will you please sweep the floor and tidy the classroom every day?
请你们每天都打扫地板、整理教室，好吗？