"枯萎" in English is "wither". It comes from the Old English word "witherian", which means "to become dry or parched". Here are some example sentences:

The flowers withered in the hot sun.

The plant was withered and in need of water.

The old man's face was withered and wrinkled.

In Chinese:

花儿在烈日下枯萎了。

这株植物枯萎了，需要水。

老人的脸上有皱纹，枯萎了。