Avr
abbr. 自动电压调整（Automatic Voltage Regulation）；自动电压调整器（Automatic Voltage Regulator）
🗣️ 情景例句
You have to ask for my father's permission.
你必须征得我父亲的同意。
They could imagine who was at the door.
他们无法想象门那边有谁在。
Shut the door, please.
请把门关上。