State, one of over fifty enumerated two-letter strings (However, I've limited myself to just four states to keep the example shorter.)

州，从枚举出的五十多个双字母字符串中选一(为了简化，本例中只留下四个州)。

youdao

State, one of over fifty enumerated two-letter strings (However, I've limited myself to just four states to keep the example shorter.)

州，从枚举出的五十多个双字母字符串中选一(为了简化，本例中只留下四个州)。

youdao