early 15c., from Middle French optique, obtique (c. 1300) and directly from Medieval Latin opticus "of sight or seeing," from Greek optikos "of or having to do with sight," from optos "seen, visible," from op-, root of opsesthai "be going to see," related to ops "eye," from PIE *okw- "to see" (see eye (n.)).
雙語例句
1. The reason for this is that the optic nerve is a part of the brain.
這其中的原因在于視神經(jīng)是大腦的一部分。
來自柯林斯例句
2. But with fiber - optic cables, television will become truly interactive.
但是,有了光纖電纜, 電視就可以真正成為交互式的.
來自百科語句
3. Retinal hemorrhage, and blurring of the optic dise cause visual disturbances.
視網(wǎng)膜出血及神經(jīng)盤模糊等可導(dǎo)致視力障礙.
來自辭典例句
4. We first take up the subject of optic ray propagation through a variety of optical media.
首先研究光束通過各種光學(xué)介質(zhì)的傳播問題.
來自辭典例句
5. Crystals of this type , having only one optic axis, are called uniaxial crystals.