Fiu
abbr. Frequency Identification Unit 波长计
🗣️ 情景例句
Stretch up...and we're going to go left first ...
伸展……先向左……
How long is the ride?
要坐多久？
The ideal to be aimed at was to devise an instrument that could record with a pen on paper,
当地震发生时，它能用笔在纸上记录下