A-b box
[计] 切换箱, 多路切换箱
🧩 词语组成解析
box
[bɑks]
n. 盒;箱状物;包厢;哨房;
vt. 把…装入盒[箱，匣]中;
vt.& vi. 拳击;
🗣️ 情景例句
He emphasized that Marxism was scientific truth.
他指出马克思主义是科学的真理。
This nation is noted for its political stability.
这个国家以政治稳定闻名。
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？