英语语法分析

There are some areas, however, where broadleaf deciduous trees form the timberline.

然而，在一些地区，阔叶落叶树木形成了林木线。

Spartina alterniflora, known as cordgrass, is a deciduous, perennial flowering plant native to the Atlantic coast and the Gulf Coast of the United States.

互花米草，又称绳草，是一种落叶的多年生开花植物，原产于美国的大西洋沿岸和墨西哥湾沿岸。

Sporopollen implies warm-cool and moist climate of temperate zone, suggesting wide distribution of deciduous and latifoliate forests.

孢粉表明温带气候地区温暖凉爽，表明落叶林和阔叶林的分布广泛。