n.[C]

1. 巢；窝；穴；（鸟等的）一窝，一群
   A bird lays eggs in the nest it has built.

   鸟将蛋下在自己所筑的巢里。

2. 安乐窝，舒适之处
   The husband and wife built themselves a comfortable nest.

   夫妇俩为自己筑了个安乐窝。

3. （盗贼等的）巢窟；（罪恶等的）温床[（+of）]
   The city was a nest of crime.

   这个城市是罪恶的温床。

4. （盗贼等的）一伙
5. （大小依次套叠的）一套物件
6. 隐蔽处；掩体

vi.

1. 筑巢；巢居；伏窝
   The birds nested in the oak tree.

   鸟在橡树上筑巢。

2. 找鸟巢，摸鸟蛋
3. （物体）相互套叠

vt.

1. 使入巢；为……筑巢
2. 把（物件）按大小顺序套叠在一起
   She nested the glass tumblers in a crate.

   她把玻璃酒杯一个套一个放在格箱里。

n.

1. a structure or place made or chosen by a bird for laying eggs and sheltering its young.
   ▸a place where an animal or insect breeds or shelters.
   ▸a snug or secluded retreat.
   ▸a bowl-shaped object.
2. a place filled with undesirable people or things:
   a nest of spies.
3. a set of similar objects of graduated sizes, fitting together for storage.

v.

1. use or build a nest.
2. fit (an object or objects) inside a larger one.
3. (especially in computing and linguistics) place in a lower position in a hierarchy.