1. a wide range of
我们向好多国家出口食品，种类很多。
We're exporting a wide range of foodstuffs to many countries.
2. many kinds of
家禽的种类很多。
There are many kinds of fowl .
3. many classes of
用来治疗高血压的药物种类很多，副作用也不尽相同。
Many classes of drugs are used to treat hypertension, with varying side effects.
4.a variety of
这个公园的植被种类很多，既有浓密的灌木丛，又有开阔的长有树木的草原。
The park has a variety of vegetation zones, ranging from dense thickets to open wooded grasslands.
