| 单词 | gas-permeable |
| 释义 | > as lemmasgas-permeable gas-permeable adj. permitting the passage of gases; spec. (of a contact lens) allowing the diffusion of oxygen and carbon dioxide into and out of the cornea. ΘΚΠ the world > health and disease > healing > ophthalmology or optometry > aids to defective vision > [adjective] > types of contact lens soft1964 gas-permeable1969 1914 Chem. Abstr. 8 2243 Mixtures of combustible and combustion-supporting gases, are burned in a gas-permeable mass consisting of conductors of the 2nd class. 1969 Amer. Jrnl. Optometry 46 4 A gas-permeable contact lens could prevent this build-up of carbon dioxide in the cornea. 2004 New Scientist 24 Apr. 14/3 Rigid gas-permeable contact lenses flatten the central region of the cornea, correcting moderate myopia. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。