n.[C]

1. 温室，暖房
   These plants are very delicate and can only grow in a hothouse.

   这些植物非常娇嫩，只能在温室里培植。

2. （对某物生长）有利的场所（或环境），温床
   That city seems to be the hothouse of decadence.

   该城市似乎是堕落的温床。

a.

1. 温室的；温室中生长的
2. 像温室一样的；过分保护的
3. 需要细心照料的；娇弱的

n.

1. a heated greenhouse.
2. an environment that encourages rapid growth or development.

v.