Fii
裂缝强度指数\\n(federal item identification) 联邦物资识别标志
🗣️ 情景例句
The birthday dinner was held at a five-star restaurant.
生日宴会在一个五星级的宾馆里举办。
Truth hath a good face,but ill clothes.
真理面目善良；但衣衫褴褛。
Von Frisch watched the wagging dance very carefully.
冯·弗里施非常仔细地观察蜜蜂跳的摇摆舞。