这个是什么句?COMPOUND ,COMPLEX,SIMPLE,还是COMPOUND COMPLEX?Pheromones,which are the chemicals that animals emit to communicate with other animals,are used by a variety of animals.
问题描述：
这个是什么句?COMPOUND ,COMPLEX,SIMPLE,还是COMPOUND COMPLEX?
Pheromones,which are the chemicals that animals emit to communicate with other animals,are used by a variety of animals.
答
complex
有从句的是complex,有连词 and or but 等的是compound
显然这句话只有一个非限定定语从句 which r the chemicals that animale emit to comunicate with other animals修饰pheromones