slug die

例句：

1. 1. The slug was crawling across the lawn.
   蜗牛正在草坪上爬行。
2. 2. The slug was eating the grass.
   蜗牛正在吃草。
3. 3. The slug had been living in the garden for years.
   蜗牛已经在花园里生活了多年。