打开“文件夹”。标题:我的眼泪。泪液,眼内泪腺分泌的无色透明液体,有保护眼球表面湿润,清洗眼球的作用。可是,我的眼泪大多是用来表达后悔的。小学五年级时要考珠心算。一天的空余时间几乎都没有了,连上 Open “folder”. Title: My tears. Tear, a colorless, transparent liquid secreted by the lacrimal gland in the eye, protects the surface of the eyeball from being wet and cleans the eye. However, most of my tears are used to express regret. When you are in the fifth grade of elementary school, you need to take a mental arithmetic. The spare time of the day is almost gone.