Heterothallic
单倍雌雄异株的
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
What is happening up there?
上面发生什么事情？
It's a bit windy today, isn't it?
今天有点风，是不是？