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
we would go down to the beach and catch crabs,
我们走到海边抓螃蟹，
Better to do well than to say well.
说得好不如做得好。
It's true that he may fall behind the other students.
真的，他可能会落在其他同学的后面。