semilunar-valve

英 [siːmɪ'luːnərv'ælv] 美 [siːmɪ'luːnərv'ælv]

• 半月瓣, 心瓣(昆虫)

英英释义

名词 semilunar valve:

1. a heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart