许多种类用英语怎么说

"Many kinds" 用英语可以说成 "variety" 或 "diverse."

"Variety" 源于拉丁语 "varietas," 意思是 "变化, 多样性." 例如:

"This store has a great variety of fruits." (这个商店有各种各样的水果。)
"I like to mix things up and try a variety of foods." (我喜欢换换口味，尝试各种各样的食物。)

"Diverse" 源于拉丁语 "diversus," 意思是 "不同的, 多样的." 例如:

"This city is home to a diverse population." (这个城市有各种各样的人口。)
"The company values a diverse workforce." (公司重视多样化的员工队伍。)