Bialternant
[数]双交替式
🗣️ 情景例句
May I ask who I am talking to?
请问你是谁？
In secondary school, children get more advanced knowledge.
在中学，孩子们得到更高深的知识。
it naturally limits all those engaged in carrying it out from effective contact
那些从事科研的人员自然受到了限制。他们不能进行有效的接触