Bdnf
abbr. 脑源性神经营养因子
🗣️ 情景例句
How's your son getting on with his English?
你儿子的英语学得好吗？
How is your room?
你的房间怎样？
and often are foolish enough to let the adolescents see that they are annoyed.
而且愚蠢地让孩子看出自己的烦恼。