Ppis
abbr. perfect picture imaging system 完美成像系統; 理想成像系統; plan position indicator sonar 平面位置顯示聲吶; proton-pump inhibitors 質子泵抑制劑
??? 情景例句
Sounds like ...
聲音像……
Experience teaches.
經驗給人教訓。
He was the man who climbed the Leaning Tower of Pisa and dropped various weights from the top,
他就是那個曾經爬上比薩斜塔，從塔頂向下拋擲各種重物的人；