不可以，只有第一次杀死这个怪物的时候可以得到经验值。

No. You only get experience from killing a monster the first time.

youdao

当与怪物的等级比你高或低6 - 10级时，所得的经验值在100% - 5%之间不定。

Experience ramps between 100% and 5% when the Monster is 6-10 levels above or below you.

youdao

如果与怪物等级相差不到5级的，可得到100%的经验值。

If the level difference between the monsters and yourself is relatively small (5 or less), you get 100% of the Experience.

youdao