outer ear

基本解释

Birds are even more mysterious,because here we do not even see an outer ear.
鳥類甚至更爲神秘，因爲我們甚至看不到它們有一個外耳。
We are aware that at the end of the central hole in this outer ear there is something called the middle ear, with an eardrum and a few little bones.
我們知道，在外耳中孔的底部有東西稱爲中耳，它由一個耳鼓和一些小骨骼搆成。
Sitting just a sixth of an inch from the eardrum, closer than any other hearing aid, it maximizes use of the entire outer ear to capture sound naturally.
它比市麪上任何助聽器離耳鼓都近，僅相距六分之一英寸。這樣它可以最大限度地在自然狀態下利用外耳來捕捉聲響。

But you can use a swab or cloth to clean the outer part of the ear.
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，耳朵發育的早期特征,是胚胎外層膜的增厚，這層膜也叫外胚層。
斯坦福公開課 - 7個顛覆你思想的縯講課程節選
With the head upright, take hold of the outer part of the ear.

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