Ipf
abbr. imperfect 不完全的; inches per foot 英寸/英尺; initial production facilities 原始生产工具
🗣️ 情景例句
He emphasized that Marxism was scientific truth.
他指出马克思主义是科学的真理。
You should take the advice of your teacher.
你应该听老师的话？
What's it?
是什么？