Menstrual cycle
[醫] 月經周期
?? 詞語組成解析
menstrual
['menstru?l]
adj. 月經的;每月的;
cycle
['sa?kl]
n. 循環，周期;自行車;時代，一段時間;整套;
vi. 周而復始，循環;騎自行車;輪轉;
vt. 運轉，循環;使輪轉;
cycl =ring,circle,表示”圓,環”
??? 情景例句
2, 3, 4, front. Now we're going to run it off. 2 3 4
前踢。現在， 我們來快跑。
I worked at the garage this morning.
我今早在車房工作。
yet following her regular practice she had shut them before going out.
而她記得在出門買東西前，她按老規矩是把房門一一鎖上的。