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
And me?
我呢？
Nature abhors a vacuum.
自然界里是没有真空的。
He wanted to buy a $300 watch for his wife,
他走进一家高级商店，要为妻子买一块价值300英镑的手表。