pencils后边读s还是z（pencil是长音还是短音）

发音是浊辅音/z/，意思是铅笔，例如：

1.I need to buy paper and pencils, that kind of thing.我需要买纸和铅笔之类的东西。

2.Some schools lack money for basics like books and pencils.有些学校缺少资金购买书本、铅笔之类的基本用具。