含羞草的叶片收到触动时会自然下垂,这是生物遇到____刺激时做出的____性反应,叫做____.
根据下面图片以第一人称写一篇短文,词数80左右。开头已给出 I took part in a friend's birthday party in the evening. It rained when I went home. On my way back home.