Fk
abbr. 外键（foreign key）
🗣️ 情景例句
I ran into Stone at the supermarket this morning.
早上我在超级市场碰见世通了。
Kindness always begets kindness.
善有善根。
as by falling into inaccessible caves, or into an ice crevasse, like the Siberian mammoths,
如掉进难以到达的洞穴，或掉进冰河裂缝里，或者像西伯利亚长毛象那样掉进冰窟中，