Phy
abbr. 物理层；物理层协议（Physical Layer）
🗣️ 情景例句
Hey, I wanted you to hear my new sound system
嘿，我正想让你听听我的新音响。
He recommended me for the post of principal.
他推荐我担任校长。
You played beautifully.
你弹得太美了。