槐树的英文：
(n) locust tree
a large tree with pale yellow flowers

参考例句：

Locust trees in the North, as a decorative embellishment of nature, also associate us with autumn.
北国的槐树，也是一种能使人联想起秋来的点缀。

Every inn had a picturesque name — the Black Locust Inn, the Blueberry Inn.
每个旅馆都有一个别致的名字，如“洋槐树旅馆”、“蓝莓旅馆”。

locust是什么意思：
n. 蝗虫，飞蝗；洋槐木

A locust is a kind of destructive insect.
蝗虫是一种害虫。

A plague of flies,locusts,rats,etc
蝇、蝗、鼠等灾害.

The locust swarm has destroyed all the crops and vegetables.
蝗虫群毁坏了所有的庄稼和蔬菜。

tree是什么意思：
n. 树，木料，树状物
v. 赶上树；爬上树；逃上树

The trees are sparse.
树木稀疏。

The trees are in blossom .
树上鲜花盛开。

the parent tree
母树

large是什么意思：
adj. 大的，宽大的；多的，多量的，多数的；广博的；广泛的
adv. 大，大大地；夸大地

The shop was mobbed by a large crowd.
这家商店遭到一大群人的袭击。

This picture attracts a large audience.
这部电影吸引了很多观众。

The concert drew a large audience.
音乐会吸引了大量的观众。