Pearen.皮尔
pearn.梨子;梨树
pear fire blight梨火疫病
pear shape heart梨状心
pear fruit sawfly梨实蜂
Pear rust disease梨锈病
pear-shaped can马蹄形罐
Pear Loquat Syrup秋梨枇杷蜜
pear-shaped tin犁形罐
pear-shaped cam梨形凸轮
pearhtic materials珠光体材料
pear-shaped dome梨形穹窿