n.[C]

1. （熊、狮、虎、狼等的）幼兽；幼鲸；幼鲨
   a two-month-old leopard cub

   一只年仅两个月的幼豹

2. （不成熟的）小青年，笨手笨脚的年轻人
3. 新手；学徒；初出茅庐的记者

vi.

1. 生育幼兽
2. 猎幼狐

vt.

1. 生育（幼兽）

n.[C]

1. 牛棚，牛栏
2. 禽笼；兔棚

n.

1. the young of a fox, bear, lion, or other carnivorous mammal.
   ▸archaic a young man.
2. (Cubs) a junior branch of the Scout Association, for boys aged about 8 to 11.
   ▸ (also Cub Scout) a member of this organization.

v.

1. give birth to cubs.
2. hunt fox cubs.