slug can

例句：

1. 1. The slug was crawling across the lawn.
   蜗牛正在草坪上爬行。
2. 2. The slug is a common inhabitant of the wetlands.
   蜗牛是湿地的常见居民。
3. 3.Scientists are studying the behavior of slugs to better understand their ecology.
   科学家们正在研究蜗牛的行为，以更好地了解它们的生态学。