a lot of teapot与a lot of teapots有什么不同

问题描述

Shel got a lot of teapot for his money.

Shel got a lot of teapots for his money.

请问：为什么这两句中的 teapot 既可用单数也可用复数？它们有什么不同？

老师答疑

黎老师：

Shel got a lot of teapot for his money. (错误)

Shel got a lot of teapots for his money.（正确）