corn作名词时是可数的，复数形式是corns

corn

美 /krn/英 /kn/

n.（美）玉米（英）谷物[皮肤] 鸡眼

vt.腌使成颗粒

双语例句:

I own a field of corn in my hometown.

我在老家拥有一块玉米地。

I went home with a sheaf of corn.

我抱着一捆谷物回了家。

John has a corns on his feet.

约翰的脚上长了一个鸡眼。