Opgl
abbr. osteoprotegerin ligand 骨保护素配基
🗣️ 情景例句
How many classes are you taking this semester?
这学期你有多少课？
Grasp all,lose all.
样样都要，全部失掉。
Yes, that's right! Where did you see it?
对，没错！你在哪见过吗？