短句听写:泪腺_短句

短句听写

All animals with mobile eyes are equipped with a tearing system that keeps their eyes lubricated, protecting their eyes from the elements and so on.

所有眼球会动的动物都有泪腺。泪腺可以保持眼部的润滑，还能防止恶劣天气损伤眼睛，等等。