n.[C]

1. 一窝孵出的雏鸡（或雏鸟）；（昆虫等）一次产出的卵；一次孵化的幼虫[G]
   The bird was trying to find food for its brood.

   鸟儿在为它的一窝小鸟觅食。

2. （一个家庭的）所有孩子[G]
3. 一伙（人）；一组事物[G]
   A brood of modern paintings will be exhibited at the museum.

   一批现代画将在博物馆展览。

4. 沉思，冥想[S]

vi.

1. 孵蛋；抱窝似地静坐
2. 沉思，考虑；忧伤，担忧[（+on/over/about）]
   She brooded over her failure.

   她为失败而郁郁沉思。

3. （云等）低覆，笼罩[（+above/over）]

vt.

1. 孵（蛋）；孵出
   The hen broods twelve eggs this time.

   这次那只母鸡孵十二个蛋。

2. （母鸡等）用翅膀遮蔽；庇护
3. 盘算，细想
   He brooded the problem all night.

   他一整夜都在思考那个问题。

a.

1. 为繁殖而饲养的
   She was mad at her son for killing the brood hen.

   她因儿子宰了传种的母鸡而对他十分恼火。

n.

1. a family of young animals, especially birds, produced at one hatching or birth.
2. bee or wasp larvae.

v.

1. think deeply about something that makes one unhappy.
2. [as adj. brooding] appearing darkly menacing.
3. (of a bird) sit on (eggs) to hatch them.
   ▸(of a fish, frog, or invertebrate) hold (developing eggs) within the body.

adj.