求翻译：今天，我又没到游泳，是因为卓弟在我手上弄出一道伤口，外婆给我的伤口涂了些药汁，伤口不能沾水，下午，我又跟卓弟玩闹在一起。是什么意思？

Today, I don't have to swim, is because I made a cut on the hand Zhuo Di, grandmother to my wound, the juice of some medicine, wound not stained water, afternoon, and I play with Zhuo Di together.