Hierarchy control system
[计] 分级控制系统
🧩 词语组成解析
control
[kən'trol]
vt. 控制;管理;限制;支配;
n. 支配权;操纵者;（对国家、地区、机构等的）管理权;（键盘上的）控制键;
🗣️ 情景例句
I'm still learning.
我还在学习当中。
She was disappointed by what Lawrence said.
她对劳伦斯说的话感到失望。
Thanks to space satellites, the world itself is becoming a much smaller place and people from different countries now understand each other better.
由于有了宇宙卫星，世界在变得小多了，来自不同国家的人现在彼此更了解了。