Rpi
abbr. read progress index(ing) 有效进度指数; real progress Index(ing) 真实的进度指数; rated position identifier 确定的位置标志符（号）; revolutions per inch 每英寸走刀（主轴）转数
🗣️ 情景例句
it's going to be too late when I do remember.
等我想起来时已经太晚了。
Silence is sometimes the severest criticism.
沈默有时是最严厉的批评。
I suggest you take a tent.
我建议你带上一个帐篷。