The outer ear is the part you can see.

外耳是你能看到的部分。

youdao

Swimmer's ear is an infection of the outer ear canal.

游泳性耳炎是一种外耳道感染。

youdao

The pinnas are the distinctive ridges in your outer ear.

耳廓是外耳两边明显的脊状物。

youdao

But you can use a swab or cloth to clean the outer part of the ear.

VOA: special.2010.03.31

We can see the early signs of ear development Start with the thickening of the outer layer of the embryo, this layer is called the ectoderm.

大家知道，耳朵发育的早期特征,是胚胎外层膜的增厚，这层膜也叫外胚层。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

With the head upright, take hold of the outer part of the ear.

VOA: special.2010.03.31

At three months, it appeared to be a flexible and workable outer ear, the study concluded.

WSJ: Scientists use 3-D printing to help grow an ear

The soft-touch outer material around the ear-hooks makes them feel nice in the hand, and adds to the sporty look.

ENGADGET