The muzzle is square and rather long, with a deep mouth opening and lips fine in texture.

口吻呈四方形，且稍长。嘴巴开口较深，嘴唇质地细腻。

youdao

He was his old self again, except for the deep furrows that marked the corners of his mouth.

他又是他的老样子了，只是多了些深深的刻在他的嘴角的皱纹。

《柯林斯英汉双解大词典》

I studied him, his gray hair, his face, carelessly shaven as always, the deep lines between his eyes and from his nostrils to the corners of his mouth.

我仔细端详着他，他那灰色的头发，他的面部，像往常那样刮得很粗糙，他两眼之间和从鼻孔到嘴角那些深深的皱纹。

youdao

"Big deep breaths in through your nose and out through your mouth." Chronic obstructive pulmonary disease includes emphysema and chronic bronchitis, as well as asthmatic bronchitis.

VOA: special.2010.06.23

One of the children's father called 911 -- and an army of rescue workers massed at the mouth of the deep pit.

CNN: SHARE THIS

With one palm over his forehead and the other palm over his nose and mouth, I looked into those deep, dark pupils and saw the way he used to look at me when he was Dark Hero, when I didn't know.

NPR: Excerpt: 'Hero'

About 40km north, the route curved around the coast of Baie-Sainte-Catherine and headed into the mouth of the Saguenay Fjord, a deep blue, cliff-walled fjord about 105km long, 4km wide and 270m deep that looked like it could have been lifted straight out of Norway.

BBC: Canada��s greatest cycling trail