n.

1. 类似；相似[U]
   The similarity between the two reports suggests that one person wrote both.

   那两个报告极其相似，这意味着它们出自一人的手笔。

2. 相似点；类似点[C]
   Bees and wasps both sting, but they have other similarities too.

   蜜蜂和黄蜂都螫人，但它们还有其他相似之处。