Bialternant
[数]双交替式
🗣️ 情景例句
Can I speak with Mr. or Mrs. Burns?
我可以跟Burns先生或太太通话吗？
When did you ener the school?
你什么时候入学的？
Ling Feng, could you do something for me, please?
凌峰，你能为我做件事吗？