1、This particular plant species is characterized by its simplicidentate leaves.
这种特定的植物物种以其只具有单齿的叶子而闻名。
2、The simplicidentate structure of the insect's mandibles allows it to easily grab and cut its prey.
昆虫的颚具有单齿结构，使其能够轻松地抓取和切割猎物。