I have been to Zhangjiakou.

His words reminded me of the proverb 'good advice may be uncomfortable to hear.'

By training the orbicularis oris muscle, your expressions become more expressive.

He faltered due to nervousness.

The urban legend of the slit-mouthed woman terrifies children.

There was a major outbreak of foot-and-mouth disease in Japan in 2000.

I use mouthwash every day after brushing my teeth.

Cats are digitigrade animals, they walk on their toes.

His research mainly focuses on the plantigradism of mammals.

He learned about unguligradism in his zoology class.