Iv
abbr. 输入阀；交互式视讯；自变量（Independent Variable）
🗣️ 情景例句
The welcome sign over the door.
门上的欢迎标语。
He that soweth virtue shall reap fame.
播下美德，收获名望。
People should be ready to go to prison for their beliefs, but they should never take up arms to fight.
为了信仰，人民应该准备去蹲监狱，但决不应该拿起武器去斗争。