G.i.
abbr. 军用品（Government Issue）
🗣️ 情景例句
used for new books
被用来购买新书
No, I'm listening to the radio.
没有，我在听收音机。
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