태양신; 최고신; 이집트 신
In Egyptian mythology, Ra (or Re) is the sun god, the supreme deity, often depicted with a falcon's head bearing the solar disc, and considered the creator of all life.
예문:
"Ancient Egyptians believed that Ra sailed across the sky in a solar barque every day."
"The pharaohs often associated themselves directly with Ra to legitimize their divine rule."
라듐 원소 기호; Ra
The chemical symbol for the element radium (atomic number 88).
예문:
"The element Ra, or radium, is highly radioactive and was discovered by Marie Curie."
"Ra is located in Group 2 of the periodic table, below barium."
정규군; 상비군
Abbreviation for 'Regular Army'.
예문:
"He decided to enlist in the RA immediately after graduating high school."
"The RA forces were deployed overseas for peacekeeping operations."
기숙사 사감; 학생 조교
Abbreviation for 'Resident Adviser' or 'Resident Assistant', a student staff member who lives in a university dormitory and assists residents.
예문:
"As an RA, she was responsible for organizing floor meetings and enforcing dorm rules."
"If you have a problem in the residence hall, you should contact your RA first."
적경; 천문 좌표
Abbreviation for 'Right Ascension', the angular distance of a celestial object measured eastward along the celestial equator from the vernal equinox.
예문:
"Astronomers use RA and declination to precisely map the location of stars."
"The RA coordinate is measured in hours, minutes, and seconds eastward along the celestial equator."