If it wants to have a smooth texture, it flattens out the papillae, so it can acquire a smooth texture to blend in with the sandy bottom of the sea.

如果它想要纹理光滑一些，它就把身上的“触头”变得平整，这样它看上去就会很光滑，能够融入海底的沙地中。

youdao

The land flattens out near the coast.

海岸附近地势变得很平坦。

youdao

After Oxford the countryside flattens out.

过了牛津以远乡村逐渐平坦。

youdao

The refuse rises into a gentle hill and then flattens out in a plateau.

NEWYORKER: Baptizing the Gun

Even if the U.S. unit labor cost trend flattens out, a continued 10 percent rate of appreciation appears likely.

FORBES: Chuck Schumer and the China Currency Bill

In this specific case, once the 50 day flattens out and starts moving higher AONE could already be 30-50% higher.

FORBES: Watching AONE For A Bottom