diagnostic character的意思|示意

The position of the clitellum is used as a diagnostic character.

生殖带的位置用来作为一个鉴别的特征。

Watching this we might assume it isn't intended to be diagnostic of human psychology; rather it's just a way of making a joke at the expense of the main character.

看到这样的剧情，我们可能会觉得这无关乎人类心理，这只不过是调侃剧里的那个演员罢了。

The position of the clitellum is used as a diagnostic character .

生殖带的位置用来作为一个鉴别的特征。