Bialternant
[数]双交替式
🗣️ 情景例句
Oh, I'd like you to meet my sister-in-law Marilyn.
噢 我来向你介绍我嫂子Marilyn。
What does you want to eat?
你要吃什么？
The farmers are all busy, getting ready for the next year.
农民们则全都忙着为下一年作准备。