Cascade control systems
[化] 串级调节系统
🧩 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;
n. 体制, 体系；制度；系统（system的复数形式）
🗣️ 情景例句
Can I get you something, Mr. Stewart?
要我替你拿点什么吗， Stewart先生？
Did you sell it to him yourself?
你自己亲自卖给他吗？
During the summer, I noticed tat the leaves of the tree were beginning to wither.
到了夏天，我发现树叶开始枯萎，