Iv
abbr. 输入阀；交互式视讯；自变量（Independent Variable）
🗣️ 情景例句
Classic FM is my favorite, please tune it in.
古典调频电台是我的最爱，请调到那个频道。
Necessity (or Need) has (or knows) no law.
需要面前无法律。
I'm very glad to hear that.
很高兴听你这样说。