| 1. | Because of their short wavelength, x-rays can pass through objects which are opaque to ordinary light .
由于X射线的波长短，它就能穿透一般光线所不能穿透的物体。 |
| 2. | A trace is automatically recorded of the resistance of the elastomer to penetration and the depth of penetration .
弹性体对于穿透的阻力和穿透深度曲线自动记录下来。 |
| 3. | Barium sulfate is a radiopaque substance
钡硫酸盐是一种辐射光不能穿透的状之。 |
| 4. | A stone once believed to be impenetrable in its hardness
硬石，金刚石一种曾被认为在硬度上不可穿透的石头 |
| 5. | Heavy fog rolls in and quickly envelops the vessel in a veil of impenetrable blackness
浓雾大量涌入，迅速将船罩进无法穿透的黑暗中。 |
| 6. | Tell me , dear , why can i pierce any target i will , but not my love ' s heart
告诉我，亲爱的，为什么我可以穿透任何我想要穿透的目标，却不能射穿我爱人的心？ |
| 7. | Because of their short wavelength , x - rays can pass through objects which are opaque to ordinary light
由于x射线的波长短，它就能穿透一般光线所不能穿透的物体。 |
| 8. | Most of the cabs are filthy , and almost all of them sport an impenetrable , bulletproof partition
车辆大都十分肮脏，几乎所有的车都触目地装有难以穿透的防弹隔离装置。 |
| 9. | Reflection , refraction , snell ' s law , critical angle , brewster ' s angle , reflection and transmission coeffs
2 2反射，折射，司涅尔定律，极限角，全反射角，反射与穿透的交互作用。 |
| 10. | Foot and leg protectors - requirements and test methods for toecaps and metal penetration resistant inserts ; german version en 12568 : 1998
脚腿防护装置.脚趾罩和防金属穿透的保护衬垫的要求和 |
