Security control
[化] 安全技术; 保安措施
🧩 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
What's the difference between A and B?
A和B有什么不同？
I asked him to buy it for me, but he wouldn't.
我请他帮我买，但是他不肯。
Excuse me, Jim. Who's that man?
吉姆，那个人是谁？