Hen的复数形式是什么？

hens

是hens

例句如下：
The hens began laying in October.
这些母鸡十月份开始下蛋。
A few hens and then a rooster, intended to serve God's mysterious ends, struggle through to maturity.
有几只母鸡，偶尔也有一只公鸡竟能迎合上帝神秘的意愿历经磨难活下来。
Although we started with six hens, they began to take their toll.
我们起初有六只母鸡，但后来开始减少。

hens，母鸡的复数形式

hens

hens

HENS