adj.根深蒂固的；深层的
The eurozone is an economy in deep structural difficulty. 欧元区经济存在根深蒂固的结构性难题。
For deep stains, you may need a dentist's help. 对深层的污渍色斑，你可能需要牙医的帮助。
The general situation is set up in response to deep inner involvements. 总体的情形是按照深层的内在牵连而设置的。
