in at one ear and out at the other ear  一耳进一耳出

laugh from ear to ear  咧着嘴笑

3D ear recognition  三维人耳识别

a flea in one’s ear  讥讽

abnormalities of external and middle ear  外、中耳畸形

Abscess of external ear  便秘

Acquired stenosis of external ear canal  直肠瘘

Adhesive middle ear disease  中毒性肝病伴慢性迁延肝炎

adjusting ear  复滑轮

anchor ear  桩环; 抱箍

Anterior ear approach  耳前路径

anti-noise ear-phone  抗噪声耳机

Archean ear  太古宙

artificial ear  人造耳; 仿真耳; 义耳; 属类; 人工耳; 仿声耳

Artificial middle ear  人工中耳

ass’s-ear  驴耳朵鲍鱼

attached ear lobe  连生耳垂

auditory icon and ear icon  听标与耳标

Auricle ear  耳廓