Dioecy
雌雄異株
??? 情景例句
You may well say so.
你可以這么說。
When an opportunity is neglected,it never comes back to you.
機不可失，時不再來；機會一過，永不再來。
Sally was amused, but I was very embarrassed!
薩莉感到很有趣，而我卻很尷尬。