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 make an appointment now?
现在可以预约门诊吗？
The doctor is often more to be feared than the disease.
医生往往比疾病更令人生畏。
as my wife and I discovered during a tour through the Balkans.
我与妻子在一次周游巴尔干半岛时对此深有体会。