뇌와 척수를 둘러싸고 있는 가장 안쪽의 얇고 섬세한 막.
The delicate innermost membrane enveloping the brain and spinal cord.
예문:
"The pia adheres closely to the surface of the brain, following all its contours."
"Blood vessels pass through the pia to supply the underlying neural tissue."
파키스탄의 국영 항공사인 파키스탄 국제항공.
Pakistan International Airlines, the national flag carrier of Pakistan.
예문:
"PIA operates a wide network of domestic and international flight routes."
"The government is considering a privatization plan for PIA to reduce debt."