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

Our ears are made up of three parts: the outer ear, the middle ear, and the inner ear.

我们的耳朵由三部分组成：外耳、中耳、内耳。

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

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

ENGADGET

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