传说中那条龙守护着山中的宝藏。

The ___dragon in the legend guarded the treasure in the mountain.

我们的数学老师凶得像条龙，所有学生都怕他。

Our math teacher is such a ___dragon that all the students are afraid of him.

科莫多龙是世界上现存最大的蜥蜴物种。

The Komodo ___dragon is the largest living lizard species in the world.