Bdnf
abbr. 脑源性神经营养因子
🗣️ 情景例句
I ofter go shopping during National Day holiday.
我经常是在国庆节购物。
He who risks nothing, gains nothing.
不入虎穴，焉得虎子。
But animals of this age do not easily become subservient to man,
但这个年龄的象不易驯服，