adj.眼睛的；视觉的；目击的
n.目镜
It was the ocular proof that the criminal could not deny. 这是罪犯不能否认的目击证据。
The Huygens ocular, which dates back over 250 years is still in wide use today. 二百五十多年前的惠更斯目镜今天还在广泛使用。
