例句：

　　She bit into a ripe juicy pear.

　　她咬了一口熟透了的.多汁的梨。

　　Pear trees are grafted on quince rootstocks.

　　梨樹(shù)被嫁接到榅桲的根莖上。

　　In gardens, cankers are most prominent on apples and pear trees.

　　花園樹(shù)木中患潰瘍病最多的是蘋(píng)果樹(shù)和梨樹(shù)。