Iv
abbr. 输入阀；交互式视讯；自变量（Independent Variable）
🗣️ 情景例句
She looks neat and fresh.
她看起来优雅清新。
How long have you been married?
你们结婚多久了？
Why must I have mercy on him? Tell me that!
为什么我必得宽恕他呢？请告诉我这一点！