关于英语年份读法的问题.

问题描述:

关于英语年份读法的问题.
Everyone is a consumer, but until the 1900s there was little help for the buyers in the marketplace.
这里1900s怎么读?

应该读作:19th hundreds, 一般也读作:19 hundreds. (It means the 20th century, but it never reads like this)
(我不知道怎么打音标出来, 但是我知道你明白我写的该怎么读)