Xǔduō suǒwèi de chūnyào zài kēxué shàng bìng wú yījù.
Many so-called aphrodisiacs have no scientific basis.
Tips
memory
春 means spring — the season associated with new life, romance, and desire in Chinese culture. 药 means medicine/drug. So 春药 is literally 'spring medicine' — a substance meant to awaken desire like spring awakens nature.