名詞 hotbed:

1. a situation that is ideal for rapid development (especially of something bad)
2. a bed of earth covered with glass and heated by rotting manure to promote the growth of plants

hot.bed

n.（名詞）
An environment conducive to vigorous growth or development, especially of something undesirable:
犯罪的溫床：（尤指）有利于令人憎惡的事物迅速滋生或發(fā)展的環(huán)境：
例句：
a hotbed of intrigue.
陰謀的溫床

A glass-covered bed of soil heated with fermenting manure or by electricity, used for the germination of seeds or for protecting tender plants.
溫床：有草覆蓋的土層，通過(guò)發(fā)酵肥料或通電加熱，用于種子的發(fā)芽或保護(hù)植物幼苗