纵横捭阖是什么意思?

nest是什么意思？是什么意思啊？

nest n。（名词） (1) A container or shelter made by a bird out of twigs, grass, or other material to hold its eggs and young。 鸟巢：鸟用小树枝、草或其它东西做的窝或在里边产卵、养鸟或栖息 (2) A similar structure in which fish, insects, or other animals deposit eggs or keep their young。 窟：鱼、昆虫或其它动物产卵或养幼雏的一种类似结构 (3) A pl...全部

  nest n。（名词） (1) A container or shelter made by a bird out of twigs, grass, or other material to hold its eggs and young。
   鸟巢：鸟用小树枝、草或其它东西做的窝或在里边产卵、养鸟或栖息 (2) A similar structure in which fish, insects, or other animals deposit eggs or keep their young。
   窟：鱼、昆虫或其它动物产卵或养幼雏的一种类似结构 (3) A place in which young are reared; a lair。 穴：抚养幼雏的地方；兽穴 (4) A number of insects, birds, or other animals occupying such a place: 窝：一些昆虫、鸟或其它动物占据的地方： a nest of hornets。
   马蜂窝 (5) A place affording snug refuge or lodging; a home。 安乐窝：提供舒适的避难所或住所的地方；家 (6) A place or an environment that fosters rapid growth or development, especially of something undesirable; a hotbed: 罪恶的温床：寄生者迅速成长或发展的地方或环境，尤指不称心的地方；温床： a nest of criminal activity。
   犯罪的温床 v。（动词） nest。ed， nest。ing， nests v。intr。（不及物动词） (1) To build or occupy a nest。 筑巢：修建或占有一个巢 (2) To create and settle into a warm and secure refuge。
   找寻庇护所：建起或住进一个温暖而安全的避难所 (3) To hunt for birds' nests, especially in order to collect the eggs。
   猎取鸟窝：寻找鸟窝，尤其是为了收集鸟蛋 (4) To fit together in a stack。 成堆放置：成套地堆放在一起 v。tr。（及物动词） (1) To place in or as if in a nest。
   置于巢中：放或似放进巢内 (2) To put snugly together or inside one another: 重叠放置：很恰当地放在一起或把一个放在另一个里： to nest boxes。
   重叠堆放盒子。收起