Gdnf
abbr. glial cell-line derived neurotrophic factor 胶质细胞源性的神经营养因子
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
John is really scared of airplanes.
约翰真的很怕乘坐飞机。
Yes, of course I can, Penny.
会的，我当然会，彭妮。