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
I type about 40 words per minute.
一分钟我能打40个字。
I'm going to buy five pieces.
我要买五片。
I'm afraid that Jim will miss a lot of his lessons.
恐怕这么一来，吉姆要缺很多课了。