Estral cycle
= estrous cycle
🧩 词语组成解析
a. (雌性动物的)动情期的,求偶期的,有发情期特征的,(雌性动物的)性欲冲动的
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
May I ask for a morning call tomorrow morning?
明天早上请叫我起床好吗？
We never know the worth (or value) of water till the well is dry.
井枯方知水可贵。
They were puzzled by several things.
有几件事情使他们感到迷惑不解。