我喜欢吃菠萝,妈妈也经常买菠萝给我吃。每次妈妈切开菠萝后,总是先用盐水浸泡一会儿才让我吃。我很好奇,便问妈妈:“这是为什么?”妈妈笑着说;“用盐水泡过的菠萝更好吃!”至于究竟为什么会更好吃,妈妈也讲不出什么道理来。这激发了我做实验的欲望。我把切好的菠萝分成两份,一 I like to eat pineapple, my mother often buy pineapple for me to eat. Every time my mom cuts the pineapple, it is always soaked in salt water for a while before letting me eat. I am very curious, then asked her mother: “Why is this?” Said the mother with a smile; “pineapple soaked with salt water is more delicious!” As for why it would be more delicious, my mother could not tell any truth. This inspired my desire to experiment. I split the cut pineapple into two, one