Ppis
abbr. perfect picture imaging system 完美成像系统; 理想成像系统; plan position indicator sonar 平面位置显示声呐; proton-pump inhibitors 质子泵抑制剂
🗣️ 情景例句
It's on the house.
这是免费的。
The lone sheep is in danger of the wolf.
孤独的羊难免遭狼的危险。
Yesterday a beggar knocked at my door.
昨天一个乞丐来敲我的门，