mock orange

mock-orange的词性：
n.（名词）

1. Any of numerous deciduous shrubs of the genus Philadelphus, having opposite, simple leaves and white, usually fragrant flowers with four petals and numerous stamens.
山梅桔：一种山梅花 属的落叶灌木，有对生单叶和白色的、通常芳香的、有四个花瓣和大量雄蕊的花朵

2. Any of various similar or related shrubs or trees.
相似或相关的灌木或树