Operational phase
[计] 操作阶段\\n[经] 经营阶段, 运行阶段
🧩 词语组成解析
🗣️ 情景例句
What is wrong with you?
你怎么啦？
You haven't been around much lately,have you?
你近来不大出来走动了，是吧？
The Crystal Palace was different from all other buildings in the world, for it was made of iron and glass.
这座水晶宫不同于世界上所有的其他建筑，因为它是用钢和玻璃建成的。