genuflect
verb [ I ] uk/ˈdʒen.ju.flekt/ us/ˈdʒen.jə.flekt/
（尤指进出天主教教堂时）下跪，跪拜
to bend one or both knees as a sign of respect to God, especially when entering or leaving a Catholic church
People were genuflecting in front of the altar. 人们跪在圣坛前。