Crocodile trivia:When the crocodile eats the prey, it will shed tears.

In fact, this is not a sentimental crocodile, but because the crocodile's kidneys are not fully developed. To remove excess salt from the body, you must rely on the glands in your eyes. Whenever the crocodile eats it, it will squeeze into the gland. The crocodile cried

Therefore, people often use the tears of crocodiles to describe false compassion.