Seco
abbr. 经济事务秘书处（State Secretariat for Economic Affairs）；连续编码（Sequential Coding）
🗣️ 情景例句
I'm always in a bad mood on Mondays.
我每个星期一情绪都很低落。
There are many training classed and night classes.
有许多培训班与夜校。
I have 4 books and 2 magazines to check out.
我有4本书和2本杂志要借。