Alternating theorem
[计] 择一定理
🧩 词语组成解析
a. 交互的\\n[医] 交替的
🗣️ 情景例句
That sounds a good idea. Thank you.
好主意！谢谢你。
Is this the bus for Park Ridge?
这辆公共汽车是去派克岭的吗？
Betty and Susan are talking on the telephone.
贝蒂和苏珊正在通电话。