Heterocystous
a. heterocyst的變形
??? 情景例句
We'll move after the school term.
我們等這學期結束后再搬。
Debt is better than death.
負債總比死亡強。
Oh, that's my sister, Kate. Come here, Kate. I can see you.
哦，是我妹妹。凱特。過來凱特，我看見你了。