pear是可数名词。

pear：n.梨

复数： pears

apple和pear都是可数名词，意思分别是苹果和梨子都表示水果，是可数名词。

例句：

Poach the pears in apple juice for perhaps ten minutes at most.

把梨放入苹果汁中，最多煮10分钟左右。

The place abounds with fruit, especially pears and peaches.

此地盛产水果，尤以梨桃著称。

There are only eighteen jin of pears in this basket after taking out the damaged ones.

这筐梨去掉伤耗只剩18斤了。