Fii
裂缝强度指数\\n(federal item identification) 联邦物资识别标志
🗣️ 情景例句
I know.
我知道。
I usually feel timid in the presence of very bright people.
站在聪明人面前，我感到羞怯。
At the moment, they are playing in the garden.
此刻，他们正在花园里玩。