pear的复数形式怎么写

例句:

She bit into a ripe juicy pear.

她咬了一口熟透了的多汁的梨。

I was only ill once and that came of eating an unripe pear.

我唯一一次生病是因为吃了未熟的梨。

Sometimes I carry a book out under the pear trees and sit in the dappled shade.

有时我会拿一本书去梨树底下，坐在斑驳的树影中看。

This pear is rotten to the core.

这梨全烂了。

There are lots of pear trees near the house.

屋子近旁种着许多梨树。