insect with sucking mouth part

例句：

1. 1.The ant is a small insect that lives underground.
   蚂蚁是一种生活在地下的小昆虫。
2. 2.Insects are an important part of the ecosystem.
   昆虫是生态系统的重要组成部分。
3. 3. The beetle was found on the ground, surrounded by dead leaves and insects.
   发现这个甲虫死在地面上，周围是枯叶和昆虫。