Background control
[电] 背景控制
🧩 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 have to go out and hand out fliers.
我要出去派传单。
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
And she encouraged me when I made up my mind to go to college.
我下决心上大学时，她则给我予鼓励。