Trainability trainability is a psychological character trait .

可训性这是个心理特征。

A newly painted room might be torture for a dog ; on the other hand , their olfactory ability and their trainability allow dogs to perform almost unimaginable feats , such as smelling the early stages of a cancer long before a normal medical diagnosis would detect it .

一间刚刚漆好的屋子可能对狗就是一种折磨；另一方面，敏锐的嗅觉以及良好的可训练性让狗拥有了几乎无法想象的技能，比如，在医学诊断出来之前，狗可以早早地在初期阶段就嗅出癌症。